\version "2.19.15"
\language  "english"
right = { \time 4/4 \key ef\major
  r4 af16 c' ef' af' <bf ef'g>8 ef' <af c'ef'af'> ef' |%m52
  <bf ef'f'g'>1 |%m53 
  s2. \bar"|." %m54          
}

left = {\time 4/4 \key ef\major
  %<<{af,8 ef~4 g,4 f ef,16 bf, ef f g bf \change Staff = "right" ef' f' g' bf' ef'' f'' <g'bf'ef''f''g''>4~\arpeggio 2.}\\{s1 s1 r2 r4}>> \bar"|." %m52-54      
  af,8 ef~4 g,4 f | ef,16 bf, ef f g bf \change Staff = "right" ef' f' g' bf' ef'' f'' <g'bf'ef''f''g''>4~\arpeggio 2.   \bar"|." %m52-54
}


\score {
  \new PianoStaff \with {
  instrumentName = "Pno."
  shortInstrumentName = "Pno."
} <<
  \new Staff = "right" \with {
    midiInstrument = "acoustic grand"
  } \right
  \new Staff = "left" \with {
    midiInstrument = "acoustic grand"
  } { \clef bass \left }
  >>
  \layout { }
  \midi { }
}