<trill>

Rapid alternation of a note with another (usually at the interval of a second above).
4.4.3 Trills
Attributes
accidlower, accidlower.ges, accidupper, accidupper.ges, altsym, class, color, copyof, corresp, dots.ges, dur, dur.ges, dur.metrical, dur.ppq, dur.real, dur.recip, enclose, endho, endid, endto, evaluate, extender, facs, follows, fontfam, fontname, fontsize, fontstyle, fontweight, glyph.auth, glyph.name, glyph.num, glyph.uri, ho, label, layer, lendsym, lendsym.size, letterspacing, lform, lineheight, lsegs, lstartsym, lstartsym.size, lwidth, n, next, part, partstaff, place, plist, precedes, prev, resp, sameas, staff, startho, startid, startto, synch, to, tstamp, tstamp.ges, tstamp.real, tstamp2, tstamp2.ges, tstamp2.real, type, vo, when, x, xml:base, xml:id, y
accidlower(optional)Records the written accidental associated with a lower neighboring note. Value conforms to data.ACCIDENTAL.WRITTEN.
<trill>att.trill.logatt.ornamentAccid@accidlower
accidlower.ges(optional)Records the sounding accidental associated with a lower neighboring note. Value conforms to data.ACCIDENTAL.GESTURAL.
<trill>att.trill.logatt.ornamentAccidatt.ornamentAccid.ges@accidlower.ges
accidupper(optional)Records the written accidental associated with an upper neighboring note. Value conforms to data.ACCIDENTAL.WRITTEN.
<trill>att.trill.logatt.ornamentAccid@accidupper
accidupper.ges(optional)Records the sounding accidental associated with an upper neighboring note. Value conforms to data.ACCIDENTAL.GESTURAL.
<trill>att.trill.logatt.ornamentAccidatt.ornamentAccid.ges@accidupper.ges
altsym(optional)Provides a way of pointing to a user-defined symbol. It must contain a reference to an ID of a symbolDef element elsewhere in the document. Value conforms to data.URI.
<trill>att.trill.visatt.altSym@altsym
class(optional)Contains one or more URIs which denote classification terms that apply to the entity bearing this attribute. One or more values from data.URI, separated by spaces.
<trill>att.commonatt.typedatt.classed@class
color(optional)Used to indicate visual appearance. Do not confuse this with the musical term 'color' as used in pre-CMN notation. Value conforms to data.COLOR.
<trill>att.trill.visatt.color@color
copyof(optional)Points to an element of which the current element is a copy. Value conforms to data.URI.
<trill>att.commonatt.linking@copyof
corresp(optional)Used to point to other elements that correspond to this one in a generic fashion. One or more values from data.URI, separated by spaces.
<trill>att.commonatt.linking@corresp
dots.ges(optional)Number of dots required for a gestural duration when different from that of the written duration. Value conforms to data.AUGMENTDOT.
<trill>att.trill.gesatt.duration.ges@dots.ges
dur(optional)When a duration cannot be represented as a single power-of-two value, multiple space-separated values that add up to the total duration may be used. One or more values from data.DURATION, separated by spaces.
<trill>att.trill.logatt.duration.additive@dur
dur.ges(optional)Records performed duration information that differs from the written duration. Value conforms to data.DURATION.GESTURAL.
<trill>att.trill.gesatt.duration.ges@dur.ges
dur.metrical(optional)Duration as a count of units provided in the time signature denominator. Value is a decimal number.
<trill>att.trill.gesatt.duration.ges@dur.metrical
dur.ppq(optional)Duration recorded as pulses-per-quarter note, e.g., MIDI clicks or MusicXML divisions. Value is a positive integer, including 0.
<trill>att.trill.gesatt.duration.ges@dur.ppq
dur.real(optional)Duration in seconds, e.g., 1.732. Value is a decimal number.
<trill>att.trill.gesatt.duration.ges@dur.real
dur.recip(optional)Duration as an optionally dotted Humdrum **recip value. Value is a token.
<trill>att.trill.gesatt.duration.ges@dur.recip
enclose(optional)Records the characters often used to mark accidentals, articulations, and sometimes notes as having a cautionary or editorial function. For an example of cautionary accidentals enclosed in parentheses, see Read, p. 131, ex. 9-14. Value conforms to data.ENCLOSURE.
<trill>att.trill.visatt.enclosingChars@enclose
endho(optional)Records the horizontal adjustment of a feature’s programmatically-determined end point. Value conforms to data.MEASUREMENTSIGNED.
<trill>att.trill.visatt.visualOffset2.ho@endho
endid(optional)Indicates the final element in a sequence of events to which the feature applies. Value conforms to data.URI.
<trill>att.trill.logatt.startEndId@endid
endto(optional)Records a timestamp adjustment of a feature’s programmatically-determined end point. Value conforms to data.TSTAMPOFFSET.
<trill>att.trill.visatt.visualOffset2.to@endto
evaluate(optional)Specifies the intended meaning when a participant in a relationship is itself a pointer. Allowed values are: "all" (If an element pointed to is itself a pointer, then the target of that pointer will be taken, and so on, until an element is found which is not a pointer.), "one" (If an element pointed to is itself a pointer, then its target (whether a pointer or not) is taken as the target of this pointer.), "none" (No further evaluation of targets is carried out beyond that needed to find the element(s) specified in plist or target attribute.)
<trill>att.trill.logatt.controlEventatt.targetEval@evaluate
extender(optional)Indicates the presence of an extension symbol, typically a line. Value conforms to data.BOOLEAN.
<trill>att.trill.visatt.extender@extender
facs(optional)Points to one or more images, portions of an image, or surfaces which correspond to the current element. One or more values from data.URI, separated by spaces.
<trill>att.facsimile@facs
follows(optional)points to one or more events in a user-defined collection that are known to be predecessors of the current element. One or more values from data.URI, separated by spaces.
<trill>att.commonatt.linking@follows
fontfam(optional)Contains the name of a font-family. Value conforms to data.FONTFAMILY.
<trill>att.trill.visatt.typography@fontfam
fontname(optional)Holds the name of a font. Value conforms to data.FONTNAME.
<trill>att.trill.visatt.typography@fontname
fontsize(optional)Indicates the size of a font expressed in printers' points, i.e., 1/72nd of an inch, relative terms, e.g., small, larger, etc., or percentage values relative to normal size, e.g., 125%. Value conforms to data.FONTSIZE.
<trill>att.trill.visatt.typography@fontsize
fontstyle(optional)Records the style of a font, i.e., italic, oblique, or normal. Value conforms to data.FONTSTYLE.
<trill>att.trill.visatt.typography@fontstyle
fontweight(optional)Used to indicate bold type. Value conforms to data.FONTWEIGHT.
<trill>att.trill.visatt.typography@fontweight
glyph.auth(optional)A name or label associated with the controlled vocabulary from which the value of glyph.name or glyph.num is taken, or the textual content of the element. Allowed values are: "smufl" (Standard Music Font Layout.)
<trill>att.trill.visatt.extSymatt.extSym.auth@glyph.auth
glyph.name(optional)Glyph name. Value is plain text.
<trill>att.trill.visatt.extSymatt.extSym.names@glyph.name
glyph.num(optional)Numeric glyph reference in hexadecimal notation, e.g., "#xE000" or "U+E000". N.B. SMuFL version 1.18 uses the range U+E000 - U+ECBF. Value conforms to data.HEXNUM.
<trill>att.trill.visatt.extSymatt.extSym.names@glyph.num
glyph.uri(optional)The web-accessible location of the controlled vocabulary from which the value of glyph.name or glyph.num is taken, or the textual content of the element. Value conforms to data.URI.
<trill>att.trill.visatt.extSymatt.extSym.auth@glyph.uri
ho(optional)Records a horizontal adjustment to a feature’s programmatically-determined location in terms of staff interline distance; that is, in units of 1/2 the distance between adjacent staff lines. Value conforms to data.MEASUREMENTSIGNED.
<trill>att.trill.visatt.visualOffsetatt.visualOffset.ho@ho
label(optional)Captures text to be used to generate a label for the element to which it’s attached, a "tool tip" or prefatory text, for example. Should not be used to record document content. Value is plain text.
<trill>att.commonatt.labelled@label
layer(optional)Identifies the layer to which a feature applies. One or more values of datatype positiveInteger, separated by spaces.
<trill>att.trill.logatt.controlEventatt.layerIdent@layer
lendsym(optional)Symbol rendered at end of line. Value conforms to data.LINESTARTENDSYMBOL.
<trill>att.trill.visatt.extenderatt.lineRend@lendsym
lendsym.size(optional)Holds the relative size of the line-end symbol. Value conforms to data.FONTSIZESCALE.
<trill>att.trill.visatt.extenderatt.lineRend@lendsym.size
letterspacing(optional)Indicates letter spacing (aka tracking) in analogy to the CSS letter-spacing property. Value conforms to data.MEASUREMENTTYPOGRAPHYSIGNED.
<trill>att.trill.visatt.typography@letterspacing
lform(optional)Describes the style of a line. Value conforms to data.LINEFORM.
<trill>att.trill.visatt.extenderatt.lineRendatt.lineRend.base@lform
lineheight(optional)Indicates line height in analogy to the CSS line-height property. Value conforms to either data.MEASUREMENTTYPOGRAPHYUNSIGNED or data.PERCENT.
<trill>att.trill.visatt.typography@lineheight
lsegs(optional)Describes the number of segments into which a dashed or dotted line may be divided, or the number of "peaks" of a wavy line; a pair of space-separated values (minimum and maximum, respectively) provides a range between which a rendering system-supplied value may fall, while a single value indicates a fixed amount of space; that is, the minimum and maximum values are equal. One or two values of datatype a positive integer no smaller than 2, separated by a space.
<trill>att.trill.visatt.extenderatt.lineRendatt.lineRend.base@lsegs
lstartsym(optional)Symbol rendered at start of line. Value conforms to data.LINESTARTENDSYMBOL.
<trill>att.trill.visatt.extenderatt.lineRend@lstartsym
lstartsym.size(optional)Holds the relative size of the line-start symbol. Value conforms to data.FONTSIZESCALE.
<trill>att.trill.visatt.extenderatt.lineRend@lstartsym.size
lwidth(optional)Width of a line. Value conforms to data.LINEWIDTH.
<trill>att.trill.visatt.extenderatt.lineRendatt.lineRend.base@lwidth
n(optional)Provides a number-like designation that indicates an element’s position in a sequence of similar elements. May not contain space characters. Value conforms to data.WORD.
<trill>att.commonatt.nNumberLike@n
next(optional)Used to point to the next event(s) in a user-defined collection. One or more values from data.URI, separated by spaces.
<trill>att.commonatt.linking@next
part(optional)Indicates the part in which the current feature should appear. Use '%all' when the feature should occur in every part. One or more values of datatype a string matching the following regular expression: "(%all|#[\i][\c]+)" , separated by spaces.
<trill>att.trill.logatt.controlEventatt.partIdent@part
partstaff(optional)Signifies the part staff on which a notated feature occurs. Use '%all' when the feature should occur on every staff. One or more values of datatype a string matching the following regular expression: "(%all|\d+(-\d+)?)" , separated by spaces.
<trill>att.trill.logatt.controlEventatt.partIdent@partstaff
place(optional)Captures the placement of the item with respect to the staff with which it is associated. Value conforms to data.STAFFREL.
<trill>att.trill.visatt.placementRelStaff@place
plist(optional)When the target attribute is present, plist identifies the active participants; that is, those entities pointed "from", in a relationship with the specified target(s). When the target attribute is not present, it identifies participants in a mutual relationship. One or more values from data.URI, separated by spaces.
<trill>att.trill.logatt.controlEventatt.plist@plist
precedes(optional)Points to one or more events in a user-defined collection that are known to be successors of the current element. One or more values from data.URI, separated by spaces.
<trill>att.commonatt.linking@precedes
prev(optional)Points to the previous event(s) in a user-defined collection. One or more values from data.URI, separated by spaces.
<trill>att.commonatt.linking@prev
resp(optional)Indicates the agent(s) responsible for some aspect of the text’s transcription, editing, or encoding. Its value must point to one or more identifiers declared in the document header. One or more values from data.URI, separated by spaces.
<trill>att.commonatt.responsibility@resp
sameas(optional)Points to an element that is the same as the current element but is not a literal copy of the current element. One or more values from data.URI, separated by spaces.
<trill>att.commonatt.linking@sameas
staff(recommended)Signifies the staff on which a notated event occurs or to which a control event applies. Mandatory when applicable. One or more values of datatype positiveInteger, separated by spaces.
<trill>att.trill.logatt.controlEventatt.staffIdent@staff
startho(optional)Records the horizontal adjustment of a feature’s programmatically-determined start point. Value conforms to data.MEASUREMENTSIGNED.
<trill>att.trill.visatt.visualOffset2.ho@startho
startid(optional)Holds a reference to the first element in a sequence of events to which the feature applies. Value conforms to data.URI.
<trill>att.trill.logatt.startEndIdatt.startId@startid
startto(optional)Records a timestamp adjustment of a feature’s programmatically-determined start point. Value conforms to data.TSTAMPOFFSET.
<trill>att.trill.visatt.visualOffset2.to@startto
synch(optional)Points to elements that are synchronous with the current element. One or more values from data.URI, separated by spaces.
<trill>att.commonatt.linking@synch
to(optional)Records a timestamp adjustment of a feature’s programmatically-determined location in terms of musical time; that is, beats. Value conforms to data.TSTAMPOFFSET.
<trill>att.trill.visatt.visualOffsetatt.visualOffset.to@to
tstamp(optional)Encodes the onset time in terms of musical time, i.e., beats[.fractional beat part], as expressed in the written time signature. Value conforms to data.BEAT.
<trill>att.trill.logatt.controlEventatt.timestamp.log@tstamp
tstamp.ges(optional)Encodes the onset time in terms of musical time, i.e., beats[.fractional beat part], as expressed in the written time signature. Value conforms to data.BEAT.
<trill>att.trill.logatt.controlEventatt.timestamp.ges@tstamp.ges
tstamp.real(optional)Records the onset time in terms of ISO time. Value conforms to data.ISOTIME.
<trill>att.trill.logatt.controlEventatt.timestamp.ges@tstamp.real
tstamp2(optional)Encodes the ending point of an event, i.e., a count of measures plus a beat location in the ending measure. Value conforms to data.MEASUREBEAT.
<trill>att.trill.logatt.timestamp2.log@tstamp2
tstamp2.ges(optional)Encodes the ending point of an event, i.e., a count of measures plus a beat location in the ending measure. Value conforms to data.MEASUREBEAT.
<trill>att.trill.gesatt.timestamp2.ges@tstamp2.ges
tstamp2.real(optional)Records the ending point of an event in terms of ISO time. Value conforms to data.ISOTIME.
<trill>att.trill.gesatt.timestamp2.ges@tstamp2.real
type(optional)Designation which characterizes the element in some sense, using any convenient classification scheme or typology that employs single-token labels. One or more values of datatype NMTOKEN, separated by spaces.
<trill>att.commonatt.typed@type
vo(optional)Records the vertical adjustment of a feature’s programmatically-determined location in terms of staff interline distance; that is, in units of 1/2 the distance between adjacent staff lines. Value conforms to data.MEASUREMENTSIGNED.
<trill>att.trill.visatt.visualOffsetatt.visualOffset.vo@vo
when(optional)Indicates the point of occurrence of this feature along a time line. Its value must be the ID of a when element elsewhere in the document. Value conforms to data.URI.
<trill>att.trill.logatt.controlEventatt.alignment@when
x(optional)Encodes an x coordinate for a feature in an output coordinate system. When it is necessary to record the placement of a feature in a facsimile image, use the facs attribute. Value is a decimal number.
<trill>att.trill.visatt.xy@x
xml:base(optional)Provides a base URI reference with which applications can resolve relative URI references into absolute URI references. Value conforms to data.URI.
<trill>att.commonatt.basic@xml:base
xml:id(optional)Regularizes the naming of an element and thus facilitates building links between it and other resources. Each id attribute within a document must have a unique value. Value is a valid xml:id.
<trill>att.commonatt.basicatt.id@xml:id
y(optional)Encodes a y coordinate for a feature in an output coordinate system. When it is necessary to record the placement of a feature in a facsimile image, use the facs attribute. Value is a decimal number.
<trill>att.trill.visatt.xy@y
(MEI.shared) Attributes common to many elements.
(MEI.shared) Attributes that form the basis of the att.common class.
xml:base(optional)Provides a base URI reference with which applications can resolve relative URI references into absolute URI references. Value conforms to data.URI.
(MEI.shared) Attributes that uniquely identify an element.
xml:id(optional)Regularizes the naming of an element and thus facilitates building links between it and other resources. Each id attribute within a document must have a unique value. Value is a valid xml:id.
(MEI.shared)
label(optional)Captures text to be used to generate a label for the element to which it’s attached, a "tool tip" or prefatory text, for example. Should not be used to record document content. Value is plain text.
(MEI.shared) Attributes that specify element-to-element relationships.
copyof(optional)Points to an element of which the current element is a copy. Value conforms to data.URI.
corresp(optional)Used to point to other elements that correspond to this one in a generic fashion. One or more values from data.URI, separated by spaces.
follows(optional)points to one or more events in a user-defined collection that are known to be predecessors of the current element. One or more values from data.URI, separated by spaces.
next(optional)Used to point to the next event(s) in a user-defined collection. One or more values from data.URI, separated by spaces.
precedes(optional)Points to one or more events in a user-defined collection that are known to be successors of the current element. One or more values from data.URI, separated by spaces.
prev(optional)Points to the previous event(s) in a user-defined collection. One or more values from data.URI, separated by spaces.
sameas(optional)Points to an element that is the same as the current element but is not a literal copy of the current element. One or more values from data.URI, separated by spaces.
synch(optional)Points to elements that are synchronous with the current element. One or more values from data.URI, separated by spaces.
(MEI.shared) Attributes used to supply a number-like designation for an element.
n(optional)Provides a number-like designation that indicates an element’s position in a sequence of similar elements. May not contain space characters. Value conforms to data.WORD.
(MEI.shared) Attributes capturing information regarding responsibility for some aspect of the text's creation, transcription, editing, or encoding.
resp(optional)Indicates the agent(s) responsible for some aspect of the text’s transcription, editing, or encoding. Its value must point to one or more identifiers declared in the document header. One or more values from data.URI, separated by spaces.
(MEI.shared) Attributes which can be used to classify features.
type(optional)Designation which characterizes the element in some sense, using any convenient classification scheme or typology that employs single-token labels. One or more values of datatype NMTOKEN, separated by spaces.
(MEI.shared) Attributes which can be used to classify features.
class(optional)Contains one or more URIs which denote classification terms that apply to the entity bearing this attribute. One or more values from data.URI, separated by spaces.
(MEI.facsimile) Attributes that associate a feature corresponding with all or part of an image.
facs(optional)Points to one or more images, portions of an image, or surfaces which correspond to the current element. One or more values from data.URI, separated by spaces.
(MEI.cmnOrnaments) Logical domain attributes.
(MEI.shared) Attributes shared by events which rely on other events for their existence. For example, a slur/phrase marking must be drawn between or over a group of notes. The slur is therefore a control event.
(MEI.performance) Temporal alignment attributes.
when(optional)Indicates the point of occurrence of this feature along a time line. Its value must be the ID of a when element elsewhere in the document. Value conforms to data.URI.
(MEI.shared) Attributes that identify the layer to which a feature applies.
layer(optional)Identifies the layer to which a feature applies. One or more values of datatype positiveInteger, separated by spaces.
(MEI.shared) Attributes for identifying the part in which the current feature appears.
part(optional)Indicates the part in which the current feature should appear. Use '%all' when the feature should occur in every part. One or more values of datatype a string matching the following regular expression: "(%all|#[\i][\c]+)" , separated by spaces.
partstaff(optional)Signifies the part staff on which a notated feature occurs. Use '%all' when the feature should occur on every staff. One or more values of datatype a string matching the following regular expression: "(%all|\d+(-\d+)?)" , separated by spaces.
(MEI.shared) Attributes listing the active participants in a user-defined collection.
plist(optional)When the target attribute is present, plist identifies the active participants; that is, those entities pointed "from", in a relationship with the specified target(s). When the target attribute is not present, it identifies participants in a mutual relationship. One or more values from data.URI, separated by spaces.
(MEI.shared) Attributes for identifying the staff associated with the current feature.
staff(recommended)Signifies the staff on which a notated event occurs or to which a control event applies. Mandatory when applicable. One or more values of datatype positiveInteger, separated by spaces.
(MEI.shared) Attributes that deal with resolution of values in plist or target attributes.
evaluate(optional)Specifies the intended meaning when a participant in a relationship is itself a pointer. Allowed values are: "all" (If an element pointed to is itself a pointer, then the target of that pointer will be taken, and so on, until an element is found which is not a pointer.), "one" (If an element pointed to is itself a pointer, then its target (whether a pointer or not) is taken as the target of this pointer.), "none" (No further evaluation of targets is carried out beyond that needed to find the element(s) specified in plist or target attribute.)
(MEI.shared) Attributes that record a time stamp in terms of musical time, , beats[.fractional beat part].
tstamp(optional)Encodes the onset time in terms of musical time, i.e., beats[.fractional beat part], as expressed in the written time signature. Value conforms to data.BEAT.
(MEI.gestural) Attributes that record a performed (as opposed to notated) time stamp.
tstamp.ges(optional)Encodes the onset time in terms of musical time, i.e., beats[.fractional beat part], as expressed in the written time signature. Value conforms to data.BEAT.
tstamp.real(optional)Records the onset time in terms of ISO time. Value conforms to data.ISOTIME.
(MEI.shared) Attributes that permit total duration to be represented by multiple values.
dur(optional)When a duration cannot be represented as a single power-of-two value, multiple space-separated values that add up to the total duration may be used. One or more values from data.DURATION, separated by spaces.
(MEI.cmnOrnaments) Accidentals associated with ornaments.
accidupper(optional)Records the written accidental associated with an upper neighboring note. Value conforms to data.ACCIDENTAL.WRITTEN.
accidlower(optional)Records the written accidental associated with a lower neighboring note. Value conforms to data.ACCIDENTAL.WRITTEN.
(MEI.gestural) Gestural accidentals associated with ornaments.
accidupper.ges(optional)Records the sounding accidental associated with an upper neighboring note. Value conforms to data.ACCIDENTAL.GESTURAL.
accidlower.ges(optional)Records the sounding accidental associated with a lower neighboring note. Value conforms to data.ACCIDENTAL.GESTURAL.
(MEI.shared) Attributes recording the identifiers of the first and last elements of a sequence of elements to which the current element is associated.
endid(optional)Indicates the final element in a sequence of events to which the feature applies. Value conforms to data.URI.
(MEI.shared) Attributes that identify a relative starting point.
startid(optional)Holds a reference to the first element in a sequence of events to which the feature applies. Value conforms to data.URI.
(MEI.shared) Attributes that record a time stamp for the end of an event in terms of musical time.
tstamp2(optional)Encodes the ending point of an event, i.e., a count of measures plus a beat location in the ending measure. Value conforms to data.MEASUREBEAT.
(MEI.visual) Visual domain attributes.
(MEI.usersymbols) Attributes supplying pointers to user-defined symbols.
altsym(optional)Provides a way of pointing to a user-defined symbol. It must contain a reference to an ID of a symbolDef element elsewhere in the document. Value conforms to data.URI.
(MEI.shared) Visual color attributes.
color(optional)Used to indicate visual appearance. Do not confuse this with the musical term 'color' as used in pre-CMN notation. Value conforms to data.COLOR.
(MEI.shared) Attributes that capture characters used to enclose symbols having a cautionary or editorial function.
enclose(optional)Records the characters often used to mark accidentals, articulations, and sometimes notes as having a cautionary or editorial function. For an example of cautionary accidentals enclosed in parentheses, see Read, p. 131, ex. 9-14. Value conforms to data.ENCLOSURE.
(MEI.shared) Attributes that describe extension symbols, typically lines. Members of this class are also typically members of the att.lineRend class.
extender(optional)Indicates the presence of an extension symbol, typically a line. Value conforms to data.BOOLEAN.
(MEI.shared) Attributes that record the visual rendition of lines.
lendsym(optional)Symbol rendered at end of line. Value conforms to data.LINESTARTENDSYMBOL.
lendsym.size(optional)Holds the relative size of the line-end symbol. Value conforms to data.FONTSIZESCALE.
lstartsym(optional)Symbol rendered at start of line. Value conforms to data.LINESTARTENDSYMBOL.
lstartsym.size(optional)Holds the relative size of the line-start symbol. Value conforms to data.FONTSIZESCALE.
(MEI.shared) Attributes that record the basic visual rendition of lines.
lform(optional)Describes the style of a line. Value conforms to data.LINEFORM.
lwidth(optional)Width of a line. Value conforms to data.LINEWIDTH.
lsegs(optional)Describes the number of segments into which a dashed or dotted line may be divided, or the number of "peaks" of a wavy line; a pair of space-separated values (minimum and maximum, respectively) provides a range between which a rendering system-supplied value may fall, while a single value indicates a fixed amount of space; that is, the minimum and maximum values are equal. One or two values of datatype a positive integer no smaller than 2, separated by a space.
(MEI.shared) Attributes capturing placement information with respect to the staff.
place(optional)Captures the placement of the item with respect to the staff with which it is associated. Value conforms to data.STAFFREL.
(MEI.externalsymbols) Attributes used to associate MEI features with corresponding glyphs in an externally-defined standard such as SMuFL.
(MEI.externalsymbols) Attributes that point to an external symbol authority.
glyph.auth(optional)A name or label associated with the controlled vocabulary from which the value of glyph.name or glyph.num is taken, or the textual content of the element. Allowed values are: "smufl" (Standard Music Font Layout.)
glyph.uri(optional)The web-accessible location of the controlled vocabulary from which the value of glyph.name or glyph.num is taken, or the textual content of the element. Value conforms to data.URI.
(MEI.externalsymbols) Attributes that specify names or values taken from an external symbol authority.
glyph.name(optional)Glyph name. Value is plain text.
glyph.num(optional)Numeric glyph reference in hexadecimal notation, e.g., "#xE000" or "U+E000". N.B. SMuFL version 1.18 uses the range U+E000 - U+ECBF. Value conforms to data.HEXNUM.
(MEI.shared) Typographical attributes.
fontfam(optional)Contains the name of a font-family. Value conforms to data.FONTFAMILY.
fontname(optional)Holds the name of a font. Value conforms to data.FONTNAME.
fontsize(optional)Indicates the size of a font expressed in printers' points, i.e., 1/72nd of an inch, relative terms, e.g., small, larger, etc., or percentage values relative to normal size, e.g., 125%. Value conforms to data.FONTSIZE.
fontstyle(optional)Records the style of a font, i.e., italic, oblique, or normal. Value conforms to data.FONTSTYLE.
fontweight(optional)Used to indicate bold type. Value conforms to data.FONTWEIGHT.
letterspacing(optional)Indicates letter spacing (aka tracking) in analogy to the CSS letter-spacing property. Value conforms to data.MEASUREMENTTYPOGRAPHYSIGNED.
lineheight(optional)Indicates line height in analogy to the CSS line-height property. Value conforms to either data.MEASUREMENTTYPOGRAPHYUNSIGNED or data.PERCENT.
(MEI.shared) Visual offset attributes. Some items may have their location recorded in terms of offsets from their programmatically-determined location. The ho attribute records the horizontal offset while vo records the vertical. The to attribute holds a timestamp offset, the most common use of which is as an alternative to the ho attribute.
(MEI.shared) Horizontal offset attributes.
ho(optional)Records a horizontal adjustment to a feature’s programmatically-determined location in terms of staff interline distance; that is, in units of 1/2 the distance between adjacent staff lines. Value conforms to data.MEASUREMENTSIGNED.
(MEI.shared) Horizontal offset attributes specified in terms of time.
to(optional)Records a timestamp adjustment of a feature’s programmatically-determined location in terms of musical time; that is, beats. Value conforms to data.TSTAMPOFFSET.
(MEI.shared) Vertical offset attributes.
vo(optional)Records the vertical adjustment of a feature’s programmatically-determined location in terms of staff interline distance; that is, in units of 1/2 the distance between adjacent staff lines. Value conforms to data.MEASUREMENTSIGNED.
(MEI.shared) Horizontal offset requiring a pair of attributes.
startho(optional)Records the horizontal adjustment of a feature’s programmatically-determined start point. Value conforms to data.MEASUREMENTSIGNED.
endho(optional)Records the horizontal adjustment of a feature’s programmatically-determined end point. Value conforms to data.MEASUREMENTSIGNED.
(MEI.shared) Horizontal offset attributes requiring a pair of attributes specified in terms of time.
startto(optional)Records a timestamp adjustment of a feature’s programmatically-determined start point. Value conforms to data.TSTAMPOFFSET.
endto(optional)Records a timestamp adjustment of a feature’s programmatically-determined end point. Value conforms to data.TSTAMPOFFSET.
(MEI.shared) Output coordinate attributes. Some elements may have their exact rendered *output* coordinates recorded. x and y attributes indicate where to place the rendered output. Recording the coordinates of a feature in a facsimile requires the use of the facs attribute.
x(optional)Encodes an x coordinate for a feature in an output coordinate system. When it is necessary to record the placement of a feature in a facsimile image, use the facs attribute. Value is a decimal number.
y(optional)Encodes a y coordinate for a feature in an output coordinate system. When it is necessary to record the placement of a feature in a facsimile image, use the facs attribute. Value is a decimal number.
(MEI.gestural) Gestural domain attributes.
(MEI.gestural) Attributes that record performed duration that differs from a feature’s written duration.
dur.ges(optional)Records performed duration information that differs from the written duration. Value conforms to data.DURATION.GESTURAL.
dots.ges(optional)Number of dots required for a gestural duration when different from that of the written duration. Value conforms to data.AUGMENTDOT.
dur.metrical(optional)Duration as a count of units provided in the time signature denominator. Value is a decimal number.
dur.ppq(optional)Duration recorded as pulses-per-quarter note, e.g., MIDI clicks or MusicXML divisions. Value is a positive integer, including 0.
dur.real(optional)Duration in seconds, e.g., 1.732. Value is a decimal number.
dur.recip(optional)Duration as an optionally dotted Humdrum **recip value. Value is a token.
(MEI.gestural) Attributes that record a performed (as opposed to notated) time stamp for the end of an event.
tstamp2.ges(optional)Encodes the ending point of an event, i.e., a count of measures plus a beat location in the ending measure. Value conforms to data.MEASUREBEAT.
tstamp2.real(optional)Records the ending point of an event in terms of ISO time. Value conforms to data.ISOTIME.
(MEI.analytical) Analytical domain attributes.
CMN ornament component declarations.
accidlower(optional)Records the written accidental associated with a lower neighboring note. Value conforms to data.ACCIDENTAL.WRITTEN.
accidupper(optional)Records the written accidental associated with an upper neighboring note. Value conforms to data.ACCIDENTAL.WRITTEN.
External symbols component declarations.
glyph.auth(optional)A name or label associated with the controlled vocabulary from which the value of glyph.name or glyph.num is taken, or the textual content of the element. Allowed values are: "smufl" (Standard Music Font Layout.)
glyph.name(optional)Glyph name. Value is plain text.
glyph.num(optional)Numeric glyph reference in hexadecimal notation, e.g., "#xE000" or "U+E000". N.B. SMuFL version 1.18 uses the range U+E000 - U+ECBF. Value conforms to data.HEXNUM.
glyph.uri(optional)The web-accessible location of the controlled vocabulary from which the value of glyph.name or glyph.num is taken, or the textual content of the element. Value conforms to data.URI.
Facsimile component declarations.
facs(optional)Points to one or more images, portions of an image, or surfaces which correspond to the current element. One or more values from data.URI, separated by spaces.
Gestural component declarations.
accidlower.ges(optional)Records the sounding accidental associated with a lower neighboring note. Value conforms to data.ACCIDENTAL.GESTURAL.
accidupper.ges(optional)Records the sounding accidental associated with an upper neighboring note. Value conforms to data.ACCIDENTAL.GESTURAL.
dots.ges(optional)Number of dots required for a gestural duration when different from that of the written duration. Value conforms to data.AUGMENTDOT.
dur.ges(optional)Records performed duration information that differs from the written duration. Value conforms to data.DURATION.GESTURAL.
dur.metrical(optional)Duration as a count of units provided in the time signature denominator. Value is a decimal number.
dur.ppq(optional)Duration recorded as pulses-per-quarter note, e.g., MIDI clicks or MusicXML divisions. Value is a positive integer, including 0.
dur.real(optional)Duration in seconds, e.g., 1.732. Value is a decimal number.
dur.recip(optional)Duration as an optionally dotted Humdrum **recip value. Value is a token.
tstamp.ges(optional)Encodes the onset time in terms of musical time, i.e., beats[.fractional beat part], as expressed in the written time signature. Value conforms to data.BEAT.
tstamp.real(optional)Records the onset time in terms of ISO time. Value conforms to data.ISOTIME.
tstamp2.ges(optional)Encodes the ending point of an event, i.e., a count of measures plus a beat location in the ending measure. Value conforms to data.MEASUREBEAT.
tstamp2.real(optional)Records the ending point of an event in terms of ISO time. Value conforms to data.ISOTIME.
Performance component declarations.
when(optional)Indicates the point of occurrence of this feature along a time line. Its value must be the ID of a when element elsewhere in the document. Value conforms to data.URI.
Component declarations that are shared between two or more modules.
class(optional)Contains one or more URIs which denote classification terms that apply to the entity bearing this attribute. One or more values from data.URI, separated by spaces.
color(optional)Used to indicate visual appearance. Do not confuse this with the musical term 'color' as used in pre-CMN notation. Value conforms to data.COLOR.
copyof(optional)Points to an element of which the current element is a copy. Value conforms to data.URI.
corresp(optional)Used to point to other elements that correspond to this one in a generic fashion. One or more values from data.URI, separated by spaces.
dur(optional)When a duration cannot be represented as a single power-of-two value, multiple space-separated values that add up to the total duration may be used. One or more values from data.DURATION, separated by spaces.
enclose(optional)Records the characters often used to mark accidentals, articulations, and sometimes notes as having a cautionary or editorial function. For an example of cautionary accidentals enclosed in parentheses, see Read, p. 131, ex. 9-14. Value conforms to data.ENCLOSURE.
endho(optional)Records the horizontal adjustment of a feature’s programmatically-determined end point. Value conforms to data.MEASUREMENTSIGNED.
endid(optional)Indicates the final element in a sequence of events to which the feature applies. Value conforms to data.URI.
endto(optional)Records a timestamp adjustment of a feature’s programmatically-determined end point. Value conforms to data.TSTAMPOFFSET.
evaluate(optional)Specifies the intended meaning when a participant in a relationship is itself a pointer. Allowed values are: "all" (If an element pointed to is itself a pointer, then the target of that pointer will be taken, and so on, until an element is found which is not a pointer.), "one" (If an element pointed to is itself a pointer, then its target (whether a pointer or not) is taken as the target of this pointer.), "none" (No further evaluation of targets is carried out beyond that needed to find the element(s) specified in plist or target attribute.)
extender(optional)Indicates the presence of an extension symbol, typically a line. Value conforms to data.BOOLEAN.
follows(optional)points to one or more events in a user-defined collection that are known to be predecessors of the current element. One or more values from data.URI, separated by spaces.
fontfam(optional)Contains the name of a font-family. Value conforms to data.FONTFAMILY.
fontname(optional)Holds the name of a font. Value conforms to data.FONTNAME.
fontsize(optional)Indicates the size of a font expressed in printers' points, i.e., 1/72nd of an inch, relative terms, e.g., small, larger, etc., or percentage values relative to normal size, e.g., 125%. Value conforms to data.FONTSIZE.
fontstyle(optional)Records the style of a font, i.e., italic, oblique, or normal. Value conforms to data.FONTSTYLE.
fontweight(optional)Used to indicate bold type. Value conforms to data.FONTWEIGHT.
ho(optional)Records a horizontal adjustment to a feature’s programmatically-determined location in terms of staff interline distance; that is, in units of 1/2 the distance between adjacent staff lines. Value conforms to data.MEASUREMENTSIGNED.
label(optional)Captures text to be used to generate a label for the element to which it’s attached, a "tool tip" or prefatory text, for example. Should not be used to record document content. Value is plain text.
layer(optional)Identifies the layer to which a feature applies. One or more values of datatype positiveInteger, separated by spaces.
lendsym(optional)Symbol rendered at end of line. Value conforms to data.LINESTARTENDSYMBOL.
lendsym.size(optional)Holds the relative size of the line-end symbol. Value conforms to data.FONTSIZESCALE.
letterspacing(optional)Indicates letter spacing (aka tracking) in analogy to the CSS letter-spacing property. Value conforms to data.MEASUREMENTTYPOGRAPHYSIGNED.
lform(optional)Describes the style of a line. Value conforms to data.LINEFORM.
lineheight(optional)Indicates line height in analogy to the CSS line-height property. Value conforms to either data.MEASUREMENTTYPOGRAPHYUNSIGNED or data.PERCENT.
lsegs(optional)Describes the number of segments into which a dashed or dotted line may be divided, or the number of "peaks" of a wavy line; a pair of space-separated values (minimum and maximum, respectively) provides a range between which a rendering system-supplied value may fall, while a single value indicates a fixed amount of space; that is, the minimum and maximum values are equal. One or two values of datatype a positive integer no smaller than 2, separated by a space.
lstartsym(optional)Symbol rendered at start of line. Value conforms to data.LINESTARTENDSYMBOL.
lstartsym.size(optional)Holds the relative size of the line-start symbol. Value conforms to data.FONTSIZESCALE.
lwidth(optional)Width of a line. Value conforms to data.LINEWIDTH.
n(optional)Provides a number-like designation that indicates an element’s position in a sequence of similar elements. May not contain space characters. Value conforms to data.WORD.
next(optional)Used to point to the next event(s) in a user-defined collection. One or more values from data.URI, separated by spaces.
part(optional)Indicates the part in which the current feature should appear. Use '%all' when the feature should occur in every part. One or more values of datatype a string matching the following regular expression: "(%all|#[\i][\c]+)" , separated by spaces.
partstaff(optional)Signifies the part staff on which a notated feature occurs. Use '%all' when the feature should occur on every staff. One or more values of datatype a string matching the following regular expression: "(%all|\d+(-\d+)?)" , separated by spaces.
place(optional)Captures the placement of the item with respect to the staff with which it is associated. Value conforms to data.STAFFREL.
plist(optional)When the target attribute is present, plist identifies the active participants; that is, those entities pointed "from", in a relationship with the specified target(s). When the target attribute is not present, it identifies participants in a mutual relationship. One or more values from data.URI, separated by spaces.
precedes(optional)Points to one or more events in a user-defined collection that are known to be successors of the current element. One or more values from data.URI, separated by spaces.
prev(optional)Points to the previous event(s) in a user-defined collection. One or more values from data.URI, separated by spaces.
resp(optional)Indicates the agent(s) responsible for some aspect of the text’s transcription, editing, or encoding. Its value must point to one or more identifiers declared in the document header. One or more values from data.URI, separated by spaces.
sameas(optional)Points to an element that is the same as the current element but is not a literal copy of the current element. One or more values from data.URI, separated by spaces.
staff(recommended)Signifies the staff on which a notated event occurs or to which a control event applies. Mandatory when applicable. One or more values of datatype positiveInteger, separated by spaces.
startho(optional)Records the horizontal adjustment of a feature’s programmatically-determined start point. Value conforms to data.MEASUREMENTSIGNED.
startid(optional)Holds a reference to the first element in a sequence of events to which the feature applies. Value conforms to data.URI.
startto(optional)Records a timestamp adjustment of a feature’s programmatically-determined start point. Value conforms to data.TSTAMPOFFSET.
synch(optional)Points to elements that are synchronous with the current element. One or more values from data.URI, separated by spaces.
to(optional)Records a timestamp adjustment of a feature’s programmatically-determined location in terms of musical time; that is, beats. Value conforms to data.TSTAMPOFFSET.
tstamp(optional)Encodes the onset time in terms of musical time, i.e., beats[.fractional beat part], as expressed in the written time signature. Value conforms to data.BEAT.
tstamp2(optional)Encodes the ending point of an event, i.e., a count of measures plus a beat location in the ending measure. Value conforms to data.MEASUREBEAT.
type(optional)Designation which characterizes the element in some sense, using any convenient classification scheme or typology that employs single-token labels. One or more values of datatype NMTOKEN, separated by spaces.
vo(optional)Records the vertical adjustment of a feature’s programmatically-determined location in terms of staff interline distance; that is, in units of 1/2 the distance between adjacent staff lines. Value conforms to data.MEASUREMENTSIGNED.
x(optional)Encodes an x coordinate for a feature in an output coordinate system. When it is necessary to record the placement of a feature in a facsimile image, use the facs attribute. Value is a decimal number.
xml:base(optional)Provides a base URI reference with which applications can resolve relative URI references into absolute URI references. Value conforms to data.URI.
xml:id(optional)Regularizes the naming of an element and thus facilitates building links between it and other resources. Each id attribute within a document must have a unique value. Value is a valid xml:id.
y(optional)Encodes a y coordinate for a feature in an output coordinate system. When it is necessary to record the placement of a feature in a facsimile image, use the facs attribute. Value is a decimal number.
User-defined symbols component declarations.
altsym(optional)Provides a way of pointing to a user-defined symbol. It must contain a reference to an ID of a symbolDef element elsewhere in the document. Value conforms to data.URI.
Member of
model.ornamentLike.cmnGroups CMN ornament elements.
Contained By
(MEI.cmnOrnaments) Groups CMN ornament elements.
(MEI.cmn) Groups control events that appear in CMN.
(MEI.cmn) Groups elements that may appear within a CMN measure.
measureUnit of musical time consisting of a fixed number of note values of a given type, as determined by the prevailing meter, and delimited in musical notation by bar lines.
(MEI.critapp) Groups elements that may appear as part of a musical variant.
(MEI.critapp) Groups elements that may appear as part of a textual or musical variant.
lemContains the lemma, or base text, of a textual variation.
rdgContains a single reading within a textual variation.
(MEI.edittrans) Groups elements that may appear as part of editorial and transcription elements in music notation.
(MEI.edittrans) Groups elements that may appear as part of editorial and transcription elements.
abbrA generic element for 1) a shortened form of a word, including an acronym or 2) a shorthand notation.
addMarks an addition to the text.
corrContains the correct form of an apparent erroneous passage.
damageContains an area of damage to the physical medium.
delContains information deleted, marked as deleted, or otherwise indicated as superfluous or spurious in the copy text by an author, scribe, annotator, or corrector.
expanContains the expansion of an abbreviation.
origContains material which is marked as following the original, rather than being normalized or corrected.
regContains material which has been regularized or normalized in some sense.
restoreIndicates restoration of material to an earlier state by cancellation of an editorial or authorial marking or instruction.
sicContains apparently incorrect or inaccurate material.
suppliedContains material supplied by the transcriber or editor for any reason.
unclearContains material that cannot be transcribed with certainty because it is illegible or inaudible in the source.
Common Music Notation (CMN) repertoire component declarations.
measureUnit of musical time consisting of a fixed number of note values of a given type, as determined by the prevailing meter, and delimited in musical notation by bar lines.
Critical apparatus component declarations.
lemContains the lemma, or base text, of a textual variation.
rdgContains a single reading within a textual variation.
Editorial and transcriptional component declarations.
abbrA generic element for 1) a shortened form of a word, including an acronym or 2) a shorthand notation.
addMarks an addition to the text.
corrContains the correct form of an apparent erroneous passage.
damageContains an area of damage to the physical medium.
delContains information deleted, marked as deleted, or otherwise indicated as superfluous or spurious in the copy text by an author, scribe, annotator, or corrector.
expanContains the expansion of an abbreviation.
origContains material which is marked as following the original, rather than being normalized or corrected.
regContains material which has been regularized or normalized in some sense.
restoreIndicates restoration of material to an earlier state by cancellation of an editorial or authorial marking or instruction.
sicContains apparently incorrect or inaccurate material.
suppliedContains material supplied by the transcriber or editor for any reason.
unclearContains material that cannot be transcribed with certainty because it is illegible or inaudible in the source.
May Contain
– (<trill> may not have child elements)
Remarks

The interval between the main and auxiliary notes is usually understood to be diatonic unless altered by an accidental. The starting note of the trill; i.e., the written one or the ornamenting one, and the speed of alternation depends on performance practice. The starting point of the trill may be indicated by either a startid, tstamp, tstamp.ges, or tstamp.real attribute, while the ending point may be recorded by either a dur, dur.ges, endid, or tstamp2 attribute. It is a semantic error not to specify a starting point attribute.

Constraints

Must have one of the attributes: startid, tstamp, tstamp.ges or tstamp.real.

Declaration
<elementSpec ident="trill" module="MEI.cmnOrnaments">
<desc xml:lang="en">Rapid alternation of a note with another (usually at the interval of a second above).</desc>
<classes>
<memberOf key="att.common"/>
<memberOf key="att.facsimile"/>
<memberOf key="att.trill.log"/>
<memberOf key="att.trill.vis"/>
<memberOf key="att.trill.ges"/>
<memberOf key="att.trill.anl"/>
<memberOf key="model.ornamentLike.cmn"/>
</classes>
<content>
<rng:empty/>
</content>
<constraintSpec ident="trill_start-type_attributes_required" scheme="schematron">
<constraint>
<sch:rule context="mei:trill">
<sch:assert test="@startid or @tstamp or @tstamp.ges or @tstamp.real">Must have one of the attributes: startid, tstamp, tstamp.ges or tstamp.real.</sch:assert>
</sch:rule>
</constraint>
</constraintSpec>
<remarks xml:lang="en">
<p>The interval between the main and auxiliary notes is usually understood to be diatonic unless altered by an accidental. The starting note of the trill;
<abbr>i.e.</abbr>
, the written one or the ornamenting one, and the speed of alternation depends on performance practice. The starting point of the trill may be indicated by either a <att>startid</att>, <att>tstamp</att>, <att>tstamp.ges</att>, or <att>tstamp.real</att> attribute, while the ending point may be recorded by either a <att>dur</att>, <att>dur.ges</att>, <att>endid</att>, or <att>tstamp2</att> attribute. It is a semantic error not to specify a starting point attribute.</p>
</remarks>
</elementSpec>
MEI Version: 5.0(#eb14650)