3 \context StaffGroup
= a <
4 \context PianoStaff
= b <
5 \context Staff
= "c" \notes\relative c'' { b4 b \bar "empty";
\break b b }
6 \context Staff
= "d" \notes\relative c'' { b4 b b b }
15 \consists "Instrument_name_engraver";
16 numberO
fStaffLines
= #1
17 marginScriptPadding
= #30 % urg: this is in PT
23 \consists "Instrument_name_engraver";
24 marginScriptPadding
= #10 % urg: this is in PT
25 instrument
= #"Piano\n(For rehearsal only)"