@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.
@endid(optional)Indicates the final element in a sequence of events to which the feature
applies.
Value conforms to data.URI.
@func(optional)Indicates the function intended for this annotation. In particular,
to distinguish annotations suitable for display (e.g. via an engraving tool), the
value
"display" may be used. Suggested values are: "display" (Indicates that the annotation is suitable for display
(e.g. via an engraving tool))
@layer(optional)Identifies the layer to which a feature applies.
One or more values of datatype positiveInteger, 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 or 'none' when the feature should not appear in any part.
Value conforms to data.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 from data.PARTSTAFF, 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.
@startid(optional)Holds a reference to the first element in a sequence of events to which the feature
applies.
Value conforms to data.URI.
@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.