\name ImproVoice
\type "Engraver_group"
\consists "Note_heads_engraver"
+ \consists "Rhythmic_column_engraver"
\consists "Text_engraver"
\consists Pitch_squash_engraver
squashedPosition = #0
}
\context { \Staff
\accepts "ImproVoice"
- \remove "Rest_collision_engraver" % FIXME: avoid segfault
}}
\relative c'' {