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