\version "2.16.2"

global = {
  \key a \major
  \numericTimeSignature
  \time 12/8
}

right = \relative c'' {
  \global
  
  g16-2 e' cis g e g cis e cis g e g-2 
  fis8 r r r16 gis, b d gis fis
  \override Beam #'damping = #3
  e8 r r r16
  \stemUp
  \change Staff = "left" fis, a cis
  \change Staff = "right" fis e 
  d8 r r r16
  \change Staff = "left" e, gis b
  \change Staff = "right" e d |

  
}

left = \relative c' {
  \global
  
  a8-1 e cis a4 r8 r16 d fis a d cis b8 r r |
  r16 cis, e gis cis b a8 r r 
  r16 b, d fis b a gis8 r r |

  
}

\score {
  \new PianoStaff <<
    \new Staff = "right" \right
    \new Staff = "left" { \clef bass \left }
  >>
  \layout { }
}