Fix MIDI drums: only override channel if channel was not preassigned.

[lilypond.git] / input / no-notation / midi-drums.ly

\score {
  \new DrumStaff <<
    \drummode {
      bd4 sn4 bd4 sn4
      <<
        {\voiceOne \repeat unfold 16 hh16 }
        \new DrumVoice { \voiceTwo bd4 sn4 bd4 sn4 }
      >> \oneVoice
    }
  >>
  \layout {}
  \midi {}
}