\version "2.18.2"

\header {
   title = "Au clair de la lune"
   composer = \markup{Anonyme (XVII\hspace #-1 \super{e} siècle)}
}

\score {

<<
  
<<
  \new Staff  \with {instrumentName = "Chant"}
  \relative c' {
      \set Staff.midiInstrument = "choir aahs"
      \key c \major
       \tempo 4 = 60
       c8 c c d e4 d4
      c8 e d d c2 \bar "|."

}
\new Lyrics {\lyricmode {
  Au8 clair de la lu-4ne4
  mon8 a- mi Pier -rot2
             }
}
>>

\new PianoStaff  \with {instrumentName = "Piano"} <<

\new Staff \relative c' {
      \set Staff.midiInstrument = "acoustic grand"
      \key c \major
      \tempo 4 = 60
      <c e g>2 <g' b d>
      <f a c>4 <g b d> <c e g>2
   }
   \new Staff \relative c {
     \set Staff.midiInstrument = "acoustic grand"
     \clef bass \key c \major 
      
      c2 g'
      f4 g c2
   }

>>

>>

\layout {}
\midi {}

}