1\version "2.16.0" 2\header{ 3 texidoc=" 4Staff margins are also markings attached to barlines. They should be 5left of the staff, and be centered vertically with respect to the staff. 6They may be on normal staves, but also on compound staves, like the 7PianoStaff. 8" 9} 10 11\layout { 12 ragged-right = ##t 13} 14 15 16 17 18 19 20\new StaffGroup << 21 \context PianoStaff << 22 \new Staff { 23 \set PianoStaff.instrumentName = "Piano" 24 \set Staff.instrumentName = "Right" { c''4 }} 25 \new Staff { 26 \set Staff.instrumentName = "Left" 27 \clef bass c4 28 } 29 >> 30 31 \lyrics { 32 \set vocalName = "bert" 33 blah 34 } 35 \new Staff { c''4 } 36>> 37