3 startGraceSlur = #(make-music 'SlurEvent 'span-direction START 'spanner-id "grace")
4 stopGraceSlur = #(make-music 'SlurEvent 'span-direction STOP 'spanner-id "grace")
13 startAppoggiaturaMusic =
18 stopAppoggiaturaMusic = {
22 startAcciaccaturaMusic = {
24 \override Flag #'stroke-style = #"grace"
27 stopAcciaccaturaMusic = {
28 \revert Flag #'stroke-style
32 startSlashedGraceMusic = {
33 \override Flag #'stroke-style = #"grace"
36 stopSlashedGraceMusic = {
37 \revert Flag #'stroke-style