4 texidoc
= "StaffGroups can be nested, in which case the inner StaffGroup wins."
9 \new StaffGroup
\with {
10 \override StaffGrouper
#'staffgroup-staff-spacing
#'basic-distance
= #15
16 \new StaffGroup
\with {
17 \override StaffGrouper
#'staffgroup-staff-spacing
#'basic-distance
= #20