\version "2.19.30"

\include "accordion.ily"

global = {
  \time 2/4
  \key f \major
}

melody = {
  \global
  \partial 4 c'8 c'
  c'8 c'4 c'8~
  c'8 c'4 d'8~
  d'4 e'8 e'~
  e'8 f'4.~
  f'2~
  f'8 a a a
  a8 bes c' \startPush c'~
  \break
  c'8 d'4.~
  d'2~
  d'8 c' c' c'
  c'8 bes a \startPull g~
  g2~
  g2~
  g8 c' s4
}

\new PianoStaff <<
  \new Staff <<
    \new Voice = "melody" {
      \melody
    }

    \new Lyrics \lyricsto "melody" {
      \repeat unfold 50 { "foo" }
    }
  >>

  \new AccordionPushPull \with {
    \override VerticalAxisGroup.nonstaff-nonstaff-spacing.padding = 1
  } {
    \melody
  }

  \new Staff = "staff" <<
    \new Voice = "bass" {
      \clef bass
      \global
      r4
      R2*3
      \repeat unfold 7 { d,8 <d f a> }
      c,8 <e g c'>
      \repeat unfold 3 { bes,,8 <d f bes> f, <d f bes> }
      bes,8 <d f bes> f, <e g c'>
      \repeat unfold 2 { c,8 <e g c'> g, <e g c'> }
      c,8 <e g c'> c, d,
    }
    \new Lyrics \with {
      alignAboveContext = "staff"
    }
    \lyricmode {
      \skip 4
      \skip 2*3
      "9"8 "8" "9" "8"
      "9" "8" "9" "8"
      "9" "8" "9" "8"
      "9" "8" "4" "1"
      "6" "5" "4" "5"
      "6" "5" "4" "5"
      "6" "5" "4" "3"
      "4" "3" "2" "3"
      "4" "3" "2" "3"
      "4" "3" "4" "9"
      "7" "6" "7" "9"
    }
  >>
>>

\layout {
  ragged-last = ##t
}