\version "2.18"
 
\include "extractMusic.ily" % http://lsr.dsi.unimi.it/LSR/Item?id=542

music = {
  \key fis \major
  ais'4 gis' fis' gis'
  ais'4 ais' ais'2
  gis'4 gis' gis'2
  ais'4 ais' ais'2
  ais'4 gis' fis' gis'
  ais'4 ais' ais' ais'
  gis'4 gis' ais' gis'
  fis'1 
} 

\score {
  <<
    \new Staff = "one" \music
    \new Staff = "two" \extractBegin R1*50000 \music
  >>
}