\version "2.18.2"  % necessary for upgrading to future LilyPond versions.

\paper{ make-footer=##f }

\score { 

<<
\new Staff \with { instrumentName = "Soprano" \consists "Ambitus_engraver" midiInstrument = "voice oohs" } \relative c'' {
   \time 2/4
   c2
   d
   e
   c \bar "|."
   % c,  a'' % pour générer l'ambitus ; supprimé par Inkscape 
}

\new Staff \with { instrumentName = "Alto" \consists "Ambitus_engraver" midiInstrument = "choir aahs" }  \relative c'' {
   g
   b
   c
   e,
   %g,  d''
}

\new Staff \with { instrumentName = "Ténor" \consists "Ambitus_engraver" midiInstrument = "choir aahs" } \relative c {

   \clef "G_8"
   e
   g
   g
   c
   %c,  a''
}

\new Staff \with { instrumentName = "Basse" \consists "Ambitus_engraver" midiInstrument = "choir aahs" } \relative c {

  \clef "F"
  c
  g'
  c,
  a'
  %f,  d''
}

>>

%\layout {}
\midi {}

}