5 \notes \context GrandStaff <
6 \context Staff = treble {
7 \property GrandStaff.instrument = "Violini "
8 \property Staff.instrument = " vn I" { c''4 }}
9 \context Staff = bass { \property Staff.instrument = " vn II" c''4 }>
14 \translator { \StaffContext
15 \consists "Instrument_name_engraver";
17 \translator { \GrandStaffContext \consists "Instrument_name_engraver"; }