- \remove Bar_engraver
- \remove Time_signature_engraver
- \override Stem #'transparent = ##t
- \override Stem #'Y-extent = ##f
- \override StaffSymbol #'line-count = #2
- \override StaffSymbol #'staff-space = #2
- \override VerticalAxisGroup #'minimum-Y-extent = #'(-3.0 . 4.0)
+ \remove "Bar_engraver"
+ \remove "Time_signature_engraver"
+ \hide Stem
+ \override Stem.Y-extent = ##f
+ \override StaffSymbol.line-count = #2
+ \override StaffSymbol.staff-space = #2
+ \override VerticalAxisGroup.minimum-Y-extent = #'(-3.0 . 4.0)