\include "includes/header.ly" \include "includes/definitions.ly" \include "largo/all.ly" \bookpart { \score { \new StaffGroup << \new StaffGroup \with { systemStartDelimiter = #'SystemStartBrace } << \new Staff {\largo \time 4/4 \key aes \major \relative c'' \violini} \new Staff {\largo \time 4/4 \key aes \major \relative c'' \violinii} >> \new Staff {\largo \time 4/4 \key aes \major \clef alto \relative c' \viola} \new Staff {\largo \time 4/4 \key aes \major \clef bass \relative c' \continuo} \new PianoStaff << \new Staff = "upper" \upper \new Staff = "lower" \lower >> >> \midi { \context { \Score tempoWholesPerMinute = #(ly:make-moment 40 4) } } } }