\header{ title = \markup{\center-column{ \hspace #.1 \hspace #.1
\hspace #.1 \abs-fontsize #30 "Mélodie"  \hspace #.1
\hspace #.1 \hspace #.1 } } }
\new StaffGroup <<
 \new Staff = "voix" <<
  \set Staff.instrumentName = "Chant"
  \new Voice = "voix" \relative c'{
\key g \minor \time 3/4 \autoBeamOff \partial 8*3
r8 r4 R2. R r4 r8 d bes' a g4. a8 bes c d4. d8 ees d  \bar "|." } >>
\new Lyrics \lyricsto "voix" {
C'est le prin -- temps, Que j'ai -- me tant, Tra -- la -- la }
 \new PianoStaff <<
  \set Staff.instrumentName = "Piano"
  \new Staff = "up" \relative c'{
\key g \minor \time 3/4 \partial 8*3
d8 bes' a g4. g8 a g fis4 e fis g4. r8 r4 \clef bass
r4 < g, bes d > < g bes d > r < fis c' d > < fis c' d > }
  \new Staff = "down" \relative c{
\clef bass \key g \minor \time 3/4 \partial 8*3
r8 r4 g4 < g' bes d > < g bes d >
d,4 < fis' c' d > < fis c' d >
g,4 < g' bes d >8 r r4 g,2. a } >>
>>