- \once \override Staff.TimeSignature #'style = #'neomensural
- \override Voice.NoteHead #'style = #'neomensural
- \override Voice.Rest #'style = #'neomensural
+ \once \override Staff.TimeSignature.style = #'neomensural
+ \override Voice.NoteHead.style = #'neomensural
+ \override Voice.Rest.style = #'neomensural