7 trombeStaff = \context VoiceCombineStaff = trombe <
8 \context VoiceCombineStaff=trombe {
9 \property VoiceCombineStaff.midiInstrument = #"trumpet"
11 \property VoiceCombineStaff.instrument = #`((kern . 0.5)
12 (lines "2 Trombe" (rows "(C)")))
13 \property VoiceCombineStaff.instr = #`((kern . 0.5)
14 (lines "Tbe." (rows "(C)")))
16 \notes { \key c \major; }
19 \context VoiceCombineVoice=one \partcombine VoiceCombineVoice
20 \context VoiceCombineThread=one \tromboI
21 \context VoiceCombineThread=two \tromboII