@code{midiMinimumVolume}.")
(midiMinimumVolume ,number? "Set the minimum loudness for MIDI.
Ranges from 0 to@tie{}1.")
- (midiChannelPerStaff ,boolean? "If set to @code{##t},
-each staff is assiged its own channel.")
+ (midiChannelMapping ,symbol? "How to map MIDI channels: per @code{instrument} (default), @code{staff} or @code{voice}.")
(minimumFret ,number? "The tablature auto string-selecting
mechanism selects the highest string with a fret at least
@code{minimumFret}.")