\score {
- \context GrandStaff <<
- \context Staff = "treble" {
+ \new GrandStaff <<
+ \new Staff = "treble" {
\set GrandStaff.instrument = "Violini "
\set Staff.instrument = " vn I" { c''4 }}
- \context Staff = "bass" { \set Staff.instrument = " vn II" c''4 }>>
+ \new Staff = "bass" { \set Staff.instrument = " vn II" c''4 }>>
\layout {