half staff-spaces. Usually determined by looking at
@code{middleCClefPosition} and @code{middleCOffset}.")
(midiInstrument ,string? "Name of the MIDI instrument to use.")
+ (midiMergeUnisons ,boolean? "If true, output only one MIDI note-on
+event when notes with the same pitch, in the same MIDI-file track, overlap.")
(midiMaximumVolume ,number? "Analogous to
@code{midiMinimumVolume}.")
(midiMinimumVolume ,number? "Set the minimum loudness for MIDI.