\version "2.25.1"

\header {
  title = "Dreistimmige Messe in G"
  subtitle = "Gloria"
  composer = "Robert Führer"
}
#(set-global-staff-size 20)

\include "score_glb.ily"
\include "music.ily"

\score {
  <<
    \new ChoirStaff <<
      \score_pre
      \transpose c \pitch_a \new Staff << \Mab \Bb >>
      \lyricsto Vab \Lab

      \transpose c \pitch_b \new Staff \Mbb
      \lyricsto Vbb \Lbb
      
      \transpose c \pitch_c \new Staff \Mcb
      \lyricsto Vcb \Lcb
    >>
    \transpose c \pitch_o \new GrandStaff <<
      \new Staff { \Sb << \Vcb \\ \Vbb >> }
      \new Staff { \clef "bass" \Sb \Vab }
    >>
  >>
  \layout {
    \context {
      \ChoirStaff
      fontSize = #-4
      \override StaffSymbol.staff-space = #(magstep -4)
    }
  }
}
\score {
  <<
    \transpose c \pitch_a \new Staff \Mab
    \transpose c \pitch_b \new Staff \Mbb
    \transpose c \pitch_c \new Staff \Mcb
    \transpose c \pitch_o \new Staff { \Sb << \Vcb \\ \Vbb >> }
    \transpose c \pitch_o \new Staff { \Sb \Vab }
  >>
  \midi {
    \midi_tempoB
  }
}