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.
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.
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.
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.
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.
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.
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.
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. Suggested values are: "smufl" (Standard Music Font Layout.)
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.
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.
letterspacing(optional)Indicates letter spacing (aka tracking) in analogy to the CSS letter-spacing
property.
Value conforms to data.MEASUREMENTTYPOGRAPHYSIGNED.
line(optional)Indicates the line upon which a feature stands. The value must be in the range between
1 and the number of lines on the staff. The numbering of lines starts with the lowest
line
of the staff.
Value conforms to data.CLEFLINE.
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.
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.
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(optional)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.
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.
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.
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.
visible(optional)Indicates if a feature should be rendered when the notation is presented graphically
or sounded when it is presented in an aural form.
Value conforms to data.BOOLEAN.
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.
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.
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.
(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.shared) Attributes that apply to all written events, , note, chord, rest, etc.
(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 staff associated with the current feature.
staff(optional)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.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 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.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.analytical) Analytical domain attributes.
(MEI.gestural) Gestural domain attributes.
(MEI.shared) Logical domain attributes.
cautionary(optional)Records the function of the clef. A "cautionary" clef does not change the following
pitches.
Value conforms to data.BOOLEAN.
(MEI.shared) Attributes that record the shape of a clef.
shape(optional)Describes a clef’s shape.
Value conforms to data.CLEFSHAPE.
(MEI.shared) Attributes for identifying the staff line with which a feature is associated.
line(optional)Indicates the line upon which a feature stands. The value must be in the range between
1 and the number of lines on the staff. The numbering of lines starts with the lowest
line
of the staff.
Value conforms to data.CLEFLINE.
(MEI.shared) Attributes that record written octave.
oct(optional)Captures written octave information.
Value conforms to data.OCTAVE.
(MEI.shared) Attributes describing the amount and direction of octave displacement.
dis(optional)Records the amount of octave displacement.
Value conforms to data.OCTAVE.DIS.
dis.place(optional)Records the direction of octave displacement.
Value conforms to data.STAFFREL.basic.
(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.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. Suggested 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.
(MEI.shared) Attributes describing whether a feature should be displayed.
visible(optional)Indicates if a feature should be rendered when the notation is presented graphically
or sounded when it is presented in an aural form.
Value conforms to data.BOOLEAN.
(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.
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. Suggested 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.
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.
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.
cautionary(optional)Records the function of the clef. A "cautionary" clef does not change the following
pitches.
Value conforms to data.BOOLEAN.
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.
dis(optional)Records the amount of octave displacement.
Value conforms to data.OCTAVE.DIS.
dis.place(optional)Records the direction of octave displacement.
Value conforms to data.STAFFREL.basic.
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.
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.
letterspacing(optional)Indicates letter spacing (aka tracking) in analogy to the CSS letter-spacing
property.
Value conforms to data.MEASUREMENTTYPOGRAPHYSIGNED.
line(optional)Indicates the line upon which a feature stands. The value must be in the range between
1 and the number of lines on the staff. The numbering of lines starts with the lowest
line
of the staff.
Value conforms to data.CLEFLINE.
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.
oct(optional)Captures written octave information.
Value conforms to data.OCTAVE.
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.
shape(optional)Describes a clef’s shape.
Value conforms to data.CLEFSHAPE.
staff(optional)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.
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.
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.
visible(optional)Indicates if a feature should be rendered when the notation is presented graphically
or sounded when it is presented in an aural form.
Value conforms to data.BOOLEAN.
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.
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.
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.eventLikeGroups event elements that occur in all notational repertoires.
model.staffDefPartGroups elements that may appear in the declaration of staff features.
model.syllablePartGroups elements that may appear as part of the content of a syllable.
fTremA rapid alternation between a pair of notes (or chords or perhaps
between a note and a chord) that are (usually) farther apart than a major second.
incipThe opening music and/or words of a musical or textual work.
(MEI.neumes) Groups elements that may appear as part of the content of a syllable.
syllableNeume notation can be thought of as "neumed text". Therefore, the syllable element
provides high-level organization in this repertoire.
(MEI.shared) Groups event elements that occur in all notational repertoires.
beamA container for a series of explicitly beamed events that begins and ends entirely
within
a measure.
graceGrpA container for a sequence of grace notes.
ligatureA mensural notation symbol that combines two or more notes into a single sign.
tupletA group of notes with "irregular" (sometimes called "irrational") rhythmic values,
for
example, three notes in the time normally occupied by two or nine in the time of five.
(MEI.shared) Groups notated events that may appear at the layer level in all repertoires.
abbrA generic element for 1) a shortened form of a word, including an acronym
or 2) a shorthand notation.
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.
Common Music Notation (CMN) repertoire component declarations.
beamA container for a series of explicitly beamed events that begins and ends entirely
within
a measure.
fTremA rapid alternation between a pair of notes (or chords or perhaps
between a note and a chord) that are (usually) farther apart than a major second.
graceGrpA container for a sequence of grace notes.
oLayerA layer that contains an alternative to material in another layer.
tupletA group of notes with "irregular" (sometimes called "irrational") rhythmic values,
for
example, three notes in the time normally occupied by two or nine in the time of five.
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.
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.
This element can be used as an alternative to the staff element's
clef.* attributes. It should be used when specific display info, such as size or color,
needs to be recorded for the clef or when multiple, simultaneous clefs occur on a
single
staff. This element may also be used within the staff context to indicate changes
of
clef.
Constraints
The clef position must be less than or equal to the number of lines of an ancestor
staff.
The clef position must be less than or equal to the number of lines of a preceding
staff.
Declaration
<elementSpec ident="clef"module="MEI.shared">
<desc xml:lang="en">Indication of the exact location of a particular note on the staff and, therefore,
the
other notes as well.</desc>
<sch:assert test="number(@line) <= number(ancestor::mei:staffDef[@n=$thisstaff and @lines][1]/@lines)">The clef position must be less than or equal to the number of lines of an ancestor
staff.</sch:assert>
<sch:assert test="number(@line) <= number(preceding::mei:staffDef[@n=$thisstaff and @lines][1]/@lines)">The clef position must be less than or equal to the number of lines of a preceding
staff.</sch:assert>
</sch:rule>
</constraint>
</constraintSpec>
<remarks xml:lang="en">
<p>This element can be used as an alternative to the <gi scheme="MEI">staff</gi> element's
clef.* attributes. It should be used when specific display info, such as size or color,
needs to be recorded for the clef or when multiple, simultaneous clefs occur on a
single
staff. This element may also be used within the staff context to indicate changes
of
clef.</p>