Doh!! Of course. Obvious once you see it (or are told about it). I was keyed on using a NUL instrument & I didn't think to use a simple volume=0 approach.
Thanks. On Thu, Nov 25, 2021, 10:54 AM David Kastrup <d...@gnu.org> wrote: > Guy Stalnaker <jimmyg...@gmail.com> writes: > > > If I'm using /set Staff.midiInstrument = "#<inst>", can I also use some > > descriptor that equals NO sound, for example, "NUL" or something similar > > like /set Staff.midiInstrument = "#NUL" > > The MIDI standard has no such instrument, so this mechanism cannot be > used for this purpose. You can set skipTypesetting to ##t but that will > also omit the skipped times. Maybe setting Staff.midiExpression to 0 > might work? > > -- > David Kastrup >