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 numberOfStaffLines = #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)"