%% Aria. Tolomeo: Sì, spietata, il tuo rigore \score { \new OrchestraStaffGroup << \new InstrumentStaffGroup << \instrStaff \markup "(Violino I.)" << \keepWithTag #'up \global \clef treble \includeNotes #"violino1" >> \instrStaff \markup "(Violino II.) " << \keepWithTag #'() \global \clef treble \includeNotes #"violino2" >> \instrStaff \markup "(Viola.)" << \keepWithTag #'() \global \clef alto \includeNotes #"viola" >> \lyricStaff \markup "Tolomeo." << \keepWithTag #'tolomeo \global \tolomeo \includeNotes #"tolomeo" >> \includeLyrics #"tolomeo-lyrics" >> \instrStaff \markup "(Bassi.)" << \scoreInit \keepWithTag #'down \global \clef bass \includeNotes #"bassi" >> >> \header { breakbefore = #(break-before?) } \layout { \context { \RemoveEmptyStaffContext \consists "Mark_engraver" } #(define tweak-key (*current-piece*)) } \midi { \tempo 4 = 140 } }