diff --git a/lilydrum/embellishments.ily b/lilydrum/embellishments.ily
index ea94cbe..6f2154d 100644
--- a/lilydrum/embellishments.ily
+++ b/lilydrum/embellishments.ily
@@ -8,8 +8,8 @@ drumgrace = #(define-music-function (parser location notes ) ( ly:music? ) #{
 	\once \override Beam.positions = #'(2 . 2)
 	\once \override DrumStaff.Stem.length = #5
 	\override Flag.stroke-style = #"grace"
-	\override Score.GraceSpacing #'spacing-increment = #0
-	\override Score.Stem #'beamlet-max-length-proportion = #'(0.5 . 0.5)
+	\override Score.GraceSpacing.spacing-increment = #0
+	\override Score.Stem.beamlet-max-length-proportion = #'(0.5 . 0.5)
 
 	% Print notes
 	% Grace note timing is scaled, so they do not wander off too
@@ -18,7 +18,7 @@ drumgrace = #(define-music-function (parser location notes ) ( ly:music? ) #{
 	\times 1/4 { \grace $notes }
 
 	% Revert back
-	\revert Score.Stem #'beamlet-default-length
+	\revert Score.Stem.beamlet-default-length
 	\revert Flag.stroke-style
 	\stemNeutral
 #})
diff --git a/lilydrum/rehearsal_marks.ily b/lilydrum/rehearsal_marks.ily
index 002decf..3d48301 100644
--- a/lilydrum/rehearsal_marks.ily
+++ b/lilydrum/rehearsal_marks.ily
@@ -4,20 +4,20 @@
 
 % From Svenax's bagpipemusic
 markText = #(define-music-function (parser location text) (string?) #{
-    \once \override Score.RehearsalMark #'self-alignment-X = #LEFT
+    \once \override Score.RehearsalMark.self-alignment-X = #LEFT
     \mark \markup $text
 #})
 
 markTextEol = #(define-music-function (parser location text) (string?) #{
-    \once \override Score.RehearsalMark #'break-visibility = #end-of-line-visible
-    \once \override Score.RehearsalMark #'self-alignment-X = #RIGHT
+    \once \override Score.RehearsalMark.break-visibility = #end-of-line-visible
+    \once \override Score.RehearsalMark.self-alignment-X = #RIGHT
     \mark \markup $text
 #})
 
 markTextEolDown = #(define-music-function (parser location text) (string?) #{
-    \once \override Score.RehearsalMark #'break-visibility = #end-of-line-visible
-    \once \override Score.RehearsalMark #'self-alignment-X = #RIGHT
-    \once \override Score.RehearsalMark #'direction = #DOWN
+    \once \override Score.RehearsalMark.break-visibility = #end-of-line-visible
+    \once \override Score.RehearsalMark.self-alignment-X = #RIGHT
+    \once \override Score.RehearsalMark.direction = #DOWN
     \mark \markup $text
 #})
 altBracket = #(define-music-function (parser location tag) (string?) #{