
\version "2.3.4"
\header {
    texidoc ="The a2 string is printed only on notes (i.e. not on rests),
and only after chords, solo or polyphony."
    }

vone =  \relative a' { R1*2 g2 r2 g2 r2 a4 r4 g
			 }
vtwo =  \relative a' { R1*2 g2 r2 g2 r2 f4 r4 g }

\score {
    << \set Score.skipBars = ##t 
   \partcombine \vone \vtwo
       >>
}
 
