7 oboiStaff = \context VoiceCombineStaff = oboi <
8 \property VoiceCombineStaff.midiInstrument = #"oboe"
9 \property VoiceCombineStaff.instrument = #"2 Oboi"
10 \property VoiceCombineStaff.instr = #"Ob."
12 \context VoiceCombineVoice=one \partcombine VoiceCombineVoice
13 \context VoiceCombineThread=one \oboeI
14 \context VoiceCombineThread=two \oboeII