- \override Beam #'beam-thickness = #0.55
- \override Beam #'auto-knee-gap = #4.0
- \override SpacingSpanner #'spacing-increment = #1.0
- \override Stem #'stemlet-length = #0.5
- \override Slur #'height-limit = #1.5
+ \override Beam.beam-thickness = #0.55
+ \override Beam.auto-knee-gap = #4.0
+ \override SpacingSpanner.spacing-increment = #1.0
+ \override Stem.stemlet-length = #0.5
+ \override Slur.height-limit = #1.5