1\version "2.16.0"
2
3\header{ texidoc = "In a DrumStaff, automatic polyphony can be used without
4                    explicitly initializing separate voices."
5       }
6
7\score {
8  \new DrumStaff {
9    \drummode {
10      bd4 sn4 bd4 sn4
11      << { \repeat unfold 16 hh16 } \\ { bd4 sn4 bd4 sn4 } >>
12      bd4 sn4 bd4 sn4
13    }
14  }
15}
16