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.
dur(optional)Records the duration of a feature using the relative durational values provided by
the
data.DURATION datatype.
Value conforms to data.DURATION.
expand(optional)Indicates whether to render a repeat symbol or the source material to which it refers.
A value of 'true' renders the source material, while 'false' displays the repeat
symbol.
Value conforms to data.BOOLEAN.
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.
Allowed 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.
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(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.
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.
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.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.cmn) Logical domain attributes.
(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(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.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.shared) Attributes that express duration in musical terms.
dur(optional)Records the duration of a feature using the relative durational values provided by
the
data.DURATION datatype.
Value conforms to data.DURATION.
(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.cmn) Attributes that indicate whether to render a repeat symbol or the source
material to which it refers.
expand(optional)Indicates whether to render a repeat symbol or the source material to which it refers.
A value of 'true' renders the source material, while 'false' displays the repeat
symbol.
Value conforms to data.BOOLEAN.
(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.
(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.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.
Common Music Notation (CMN) repertoire component declarations.
expand(optional)Indicates whether to render a repeat symbol or the source material to which it refers.
A value of 'true' renders the source material, while 'false' displays the repeat
symbol.
Value conforms to data.BOOLEAN.
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.
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.
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.
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)Records the duration of a feature using the relative durational values provided by
the
data.DURATION datatype.
Value conforms to data.DURATION.
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.
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.
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.
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.
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.
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.
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.cmn) Groups notated events that may appear at the layer level in CMN.
(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.
lemContains the lemma, or base text, of a textual variation.
oLayerA layer that contains an alternative to material in another layer.
origContains material which is marked as following the original, rather than
being normalized or corrected.
rdgContains a single reading within a textual variation.
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.
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.
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.