7 \notes \context PianoStaff <
8 \context Staff = treble {
9 \property PianoStaff.instrument = "Piano "
10 \property Staff.instrument = "Right " { c''4 }}
11 \context Staff = bass { \property Staff.instrument = "Left " \clef bass; c4 }>
14 \translator { \StaffContext \consists "Staff_margin_engraver"; }
15 \translator { \PianoStaffContext \consists "Staff_margin_engraver"; }