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.