input/test/noteheadstyle.fly

   1
   2 c''4 c2 c8  c16 c16 c1
   3 \property Voice.noteHeadStyle = "diamond"
   4 c4 c2 c8  c16 c16  c1
   5 \property Voice.noteHeadStyle = "transparent"
   6 c4 c2 c8  c16 c16  c1
   7 \property Voice.noteHeadStyle = "cross"
   8 c4 c2 c8  c16 c16  c1
   9 \property Voice.noteHeadStyle = "harmonic"
  10 c4 c2 c8  c16 c16  c1