Hi Andrew, How about: \version "2.20.0"
\layout { \context { \Score \name Score \accepts QuartetGroup } \context { \StaffGroup \name QuartetGroup \accepts TrioGroup } \context { \StaffGroup \override SpanBar.transparent = ##f \name TrioGroup \remove System_start_delimiter_engraver } } \score { \new QuartetGroup << \new TrioGroup << \new Staff { \repeat unfold 10 s1 } \new Staff { \repeat unfold 10 s1 } \new Staff \with { instrumentName = "Viola" } { \repeat unfold 10 s1 } >> \new Staff \with { instrumentName = "Cello" } { \repeat unfold 5 s1 \once\override QuartetGroup.SpanBar.transparent = ##t \repeat unfold 5 s1 } >> } HTH, cheers, Pierre Le lun. 13 juil. 2020 à 08:57, Andrew Bernard <andrew.bern...@gmail.com> a écrit : > I have a string quartet score. At one point for a certain time the > cello goes into 3/4 and not strictly sync'd with the other strings > which are in 7/4. Is it possible to turn off the span bars just and > only between the viola and cello? > > I don't think this needs an MWE does it? > > Andrew > >