+ \type "Score_performer"
+
+ \name Score
+
+ melismaBusyProperties = #default-melisma-properties
+ instrumentName = #"bright acoustic"
+ midiChannelMapping = #'staff
+
+ %% quarter = 60
+ tempoWholesPerMinute = #(ly:make-moment 15 1)
+
+ \accepts Staff
+ \accepts DrumStaff
+ \accepts GrandStaff
+ \accepts PianoStaff
+ \accepts TabStaff
+ \accepts StaffGroup
+ \accepts Devnull
+ \accepts ChoirStaff
+ \accepts RhythmicStaff
+ \accepts ChordNames
+ \accepts FiguredBass
+ \accepts FretBoards
+ \accepts Lyrics
+ \accepts VaticanaStaff
+ \accepts KievanStaff
+ \accepts MensuralStaff
+
+ \consists "Time_signature_performer"
+ \consists "Control_track_performer"
+ \consists "Tempo_performer"
+
+ \alias "Timing"
+
+ %% An alias for Timing is established by the Timing_translator in
+ %% whatever context it is initialized, and the timing variables are
+ %% then copied from wherever Timing had been previously established.
+ %% The alias at Score level provides a target for initializing
+ %% Timing variables in layout definitions before any
+ %% Timing_translator has been run.
+
+ timeSignatureFraction = 4/4
+
+%% These defaults should be the same as the rules established in
+%% scm/time-signature-settings.scm for 4/4 time
+ measureLength = #(ly:make-moment 4 4)
+ baseMoment = #(ly:make-moment 1 4)
+
+ \consists "Timing_translator"
+
+ \defaultchild "Staff"
+
+ dynamicAbsoluteVolumeFunction = #default-dynamic-absolute-volume
+ instrumentEqualizer = #default-instrument-equalizer
+ drumPitchTable = #(alist->hash-table midiDrumPitches)
+ timing = ##t