4 texidoc
= "Staves in a PianoStaff remain alive as long as any of
5 the staves has something interesting."
12 \override VerticalAxisGroup
#'remove-first
= ##t
17 \new Staff
{ c'1 \break c'1 \break c'1 }
20 \new Staff
{ d'1 R
1 R
1 }
21 \new Staff
{ R
1 e'1 R
1 }