\score { \new Staff << \new Voice \relative c''' { \set midiInstrument = "flute" \voiceOne \key g \major \time 2/2 r2 g-"Flute" ~ g fis ~ fis4 g8 fis e2 ~ e4 d8 cis d2 } \new Voice \relative c'' { \set midiInstrument = "clarinet" \voiceTwo b1-"Clarinet" a2. b8 a g2. fis8 e fis2 r } >> \layout { } \midi { \context { \Staff \remove "Staff_performer" } \context { \Voice \consists "Staff_performer" } \tempo 2 = 72 } }