@midi.channel(optional)Records a MIDI channel value.
Value conforms to data.MIDICHANNEL.
@midi.duty(optional)Specifies the 'on' part of the duty cycle as a percentage of a note’s duration.
Value conforms to data.PERCENT.LIMITED.
@midi.instrname(optional)Provides a General MIDI label for the MIDI instrument.
Value conforms to data.MIDINAMES.
@midi.instrnum(optional)Captures the General MIDI instrument number. Use an integer for a 0-based value.
Value conforms to data.MIDIVALUE.
@midi.pan(optional)Sets the instrument’s position in a stereo field. MIDI values of 0 and 1 both pan
left, 127 or 128 pans right, and 63 or 64 pans to the center. Positve percentage values
pan to the right, negative ones to the left. 0% is centered.
Value conforms to data.MIDIVALUE_PAN.
@midi.patchname(optional)Records a non-General MIDI patch/instrument name.
Value is a NMTOKEN.
@midi.patchnum(optional)Records a non-General MIDI patch/instrument number.
Value conforms to data.MIDIVALUE.
@midi.track(optional)Sets the MIDI track.
Value is a positive integer.