- \override SpacingSpanner #'uniform-stretching = ##t
- \override SpacingSpanner #'strict-note-spacing = ##t
- proportionalNotationDuration = #(ly:make-moment 1 64)
+ \override SpacingSpanner.uniform-stretching = ##t
+ \override SpacingSpanner.strict-note-spacing = ##t
+ proportionalNotationDuration = #(ly:make-moment 1/64)