+\version "2.17.6"
-#(define (grace-beam-space-function multiplicity)
- (* (if (<= multiplicity 3) 0.816 0.844) 0.8))
-
-
-startGraceMusic = {
- \property Voice.Stem \override #'direction = #1
- \property Voice.Stem \override #'length = #6
- \property Voice.Stem \override #'lengths =
- #(map (lambda (x) (* 0.8 x)) '(3.5 3.5 3.5 4.5 5.0))
- \property Voice.Stem \override #'beamed-lengths =
- #(map (lambda (x) (* 0.8 x)) '(0.0 2.5 2.0 1.5))
- \property Voice.Stem \override #'beamed-minimum-lengths =
- #(map (lambda (x) (* 0.8 x)) '(0.0 1.5 1.25 1.0))
- \property Voice.Stem \override #'no-stem-extend = ##t
- \property Voice.Stem \override #'flag-style = #"grace"
-
- \property Voice.Beam \override #'space-function = #grace-beam-space-function
- \property Voice.Beam \override #'thickness = #0.384
-
- % Can't use Staff.fontSize, since time sigs, keys sigs, etc. will
- % be smaller as well.
-
- \property Voice.fontSize = #-2
- \property Staff.Accidentals \override #'font-relative-size = #-2
-}
-
-stopGraceMusic = {
- \property Voice.Beam \revert #'space-function
- \property Voice.Beam \revert #'thickness
-
- \property Voice.Stem \revert #'flag-style
- \property Voice.Stem \revert #'no-stem-extend
- \property Voice.Stem \revert #'beamed-lengths
- \property Voice.Stem \revert #'beamed-minimum-lengths
- \property Voice.Stem \revert #'lengths
- \property Voice.Stem \revert #'length
- \property Voice.Stem \revert #'direction
-
- % Can't use Staff.fontSize, since time sigs, keys sigs, etc. will
- % be smaller as well.
-
- \property Voice.fontSize \unset
- \property Staff.LocalKeyItem \revert #'font-relative-size
+startGraceSlur = #(make-music 'SlurEvent 'span-direction START 'spanner-id 'grace)
+stopGraceSlur = #(make-music 'SlurEvent 'span-direction STOP 'spanner-id 'grace)
+
+
+startGraceMusic = {
+}
+
+stopGraceMusic = {
+}
+
+startAppoggiaturaMusic =
+{
+ <>\startGraceSlur
+}
+
+stopAppoggiaturaMusic = {
+ <>\stopGraceSlur
+}
+
+startAcciaccaturaMusic = {
+ <>\startGraceSlur
+ \temporary \override Flag.stroke-style = #"grace"
+}
+
+stopAcciaccaturaMusic = {
+ \revert Flag.stroke-style
+ <>\stopGraceSlur
+}
+
+startSlashedGraceMusic = {
+ \temporary \override Flag.stroke-style = #"grace"
+}
+
+stopSlashedGraceMusic = {
+ \revert Flag.stroke-style
}