9 \description "Hard coded entry point for LilyPond. Cannot be tuned."
10 \grobdescriptions #all-grob-descriptions
14 \type "Engraver_group"
17 \consists "Output_property_engraver"
18 \consists "Bar_engraver"
19 %% Bar_engraver must be first so default bars aren't overwritten
22 \consists "Font_size_engraver"
23 \consists "Volta_engraver"
24 \consists "Separating_line_group_engraver"
25 \consists "Dot_column_engraver"
27 %% perhaps move to Voice context?
28 \consists "Ottava_spanner_engraver"
29 \consists "Clef_engraver"
30 \consists "Key_engraver"
31 \consists "Time_signature_engraver"
32 \consists "Ledger_line_engraver"
33 \consists "Staff_symbol_engraver"
34 \consists "Collision_engraver"
35 \consists "Rest_collision_engraver"
36 \consists "Accidental_engraver"
37 \consists "Piano_pedal_engraver"
38 \consists "Instrument_name_engraver"
39 \consists "String_number_engraver"
40 \consists "Axis_group_engraver"
41 \consists "Figured_bass_engraver"
42 \consists "Figured_bass_position_engraver"
44 \override VerticalAxisGroup #'minimum-Y-extent = #'(-4 . 4)
45 extraVerticalExtent = ##f
47 localKeySignature = #'()
49 ignoreFiguredBassRest = ##t
51 %% explicitly set instrument, so we don't get
52 %% weird effects when doing instrument names for
56 shortInstrumentName = #'()
62 \description "Handles clefs, bar lines, keys, accidentals. It can contain
63 @code{Voice} contexts."
69 \type "Engraver_group"
73 \remove "Accidental_engraver"
74 \remove "Ottava_spanner_engraver"
75 \remove "Key_engraver"
76 \remove "Piano_pedal_engraver"
77 \remove "String_number_engraver"
79 \description "Handles typesetting for percussion."
83 \defaultchild "DrumVoice"
85 clefGlyph = #"clefs.percussion"
87 \override Script #'staff-padding = #0.75
92 \type "Engraver_group"
93 \name "InnerChoirStaff"
94 \consists "System_start_delimiter_engraver"
95 systemStartDelimiter = #'SystemStartBracket
101 \accepts "RhythmicStaff"
102 \accepts "GrandStaff"
103 \accepts "PianoStaff"
105 \accepts "ChordNames"
106 \defaultchild "Staff"
113 \defaultchild "Staff"
114 \accepts "InnerChoirStaff"
115 \accepts "InnerStaffGroup"
116 \description "Identical to @code{StaffGroup} except that the
117 contained staves are not connected vertically."
122 \type "Engraver_group"
124 \override VerticalAxisGroup #'minimum-Y-extent = ##f
125 extraVerticalExtent = ##f
127 localKeySignature = #'()
130 squashedPosition = #0
134 \override BarLine #'bar-size = #4
135 \override VoltaBracket #'staff-padding = #3
136 \override StaffSymbol #'line-count = #1
138 \override Stem #'neutral-direction = #UP
139 \override Beam #'neutral-direction = #UP
141 \consists "Output_property_engraver"
142 \consists "Font_size_engraver"
143 \consists "Volta_engraver"
144 \consists "Separating_line_group_engraver"
145 \consists "Dot_column_engraver"
146 \consists "Bar_engraver"
147 \consists "Staff_symbol_engraver"
148 \consists "Pitch_squash_engraver"
149 \consists "Time_signature_engraver"
150 \consists "Instrument_name_engraver"
151 \consists "Axis_group_engraver"
152 \consists "Ledger_line_engraver"
156 \defaultchild "Voice"
159 A context like @code{Staff} but for printing rhythms. Pitches are
160 ignored; the notes are printed on one line.
166 \type "Engraver_group"
170 Corresponds to a voice on a staff. This context handles the
171 conversion of dynamic signs, stems, beams, super- and subscripts,
172 slurs, ties, and rests.
174 You have to instantiate this explicitly if you want to have
175 multiple voices on the same staff."
177 localKeySignature = #'()
178 \consists "Font_size_engraver"
180 \consists "Pitched_trill_engraver"
181 \consists "Output_property_engraver"
182 \consists "Arpeggio_engraver"
183 \consists "Multi_measure_rest_engraver"
184 \consists "Text_spanner_engraver"
185 \consists "Trill_spanner_engraver"
186 \consists "Grob_pq_engraver"
187 \consists "Forbid_line_break_engraver"
188 \consists "Laissez_vibrer_engraver"
189 \consists "Repeat_tie_engraver"
190 \consists "Note_head_line_engraver"
191 \consists "Glissando_engraver"
192 \consists "Ligature_bracket_engraver"
193 \consists "Breathing_sign_engraver"
194 \consists "Note_heads_engraver"
195 \consists "Rest_engraver"
197 %% switch on to make stem directions interpolate for the
199 % \consists "Melody_engraver"
201 \consists "Stem_engraver"
202 \consists "Beam_engraver"
203 \consists "Grace_beam_engraver"
204 \consists "Auto_beam_engraver"
206 %% must come before Script_column_engraver.
207 \consists "New_fingering_engraver"
209 \consists "Chord_tremolo_engraver"
210 \consists "Percent_repeat_engraver"
211 \consists "Slash_repeat_engraver"
212 \consists "Part_combine_engraver"
214 \consists "Text_engraver"
215 \consists "Dynamic_engraver"
216 \consists "Fingering_engraver"
217 \consists "Bend_after_engraver"
219 \consists "Script_engraver"
220 \consists "Script_column_engraver"
221 \consists "Rhythmic_column_engraver"
222 \consists "Phrasing_slur_engraver"
223 \consists "Cluster_spanner_engraver"
224 \consists "Slur_engraver"
225 \consists "Tie_engraver"
226 \consists "Tuplet_engraver"
227 \consists "Grace_engraver"
228 \consists "Instrument_switch_engraver"
229 \consists "Skip_event_swallow_translator"
238 \override Stem #'length-fraction = #(magstep -4)
239 \override Beam #'length-fraction = #(magstep -4)
247 \description "A voice on a percussion staff."
248 \remove "Arpeggio_engraver"
249 \consists "Multi_measure_rest_engraver"
250 \consists "Text_spanner_engraver"
251 \consists "Grob_pq_engraver"
253 \remove "Note_head_line_engraver"
254 \remove "Glissando_engraver"
255 \remove "Ligature_bracket_engraver"
256 \remove "Note_heads_engraver"
257 \consists "Drum_notes_engraver"
258 \remove "New_fingering_engraver"
260 \remove "Fingering_engraver"
262 \remove "Cluster_spanner_engraver"
263 \consists "Tuplet_engraver"
265 \consists "Skip_event_swallow_translator"
269 \type "Engraver_group"
271 localKeySignature = #'()
273 \description " A group of staffs, with a brace on the left
274 side, grouping the staves together. The bar lines of the
275 contained staves are connected vertically. "
277 \consists "Span_bar_engraver"
278 \consists "Span_arpeggio_engraver"
279 \consists "System_start_delimiter_engraver"
280 systemStartDelimiter = #'SystemStartBrace
283 \accepts "FiguredBass"
292 "Just like @code{GrandStaff} but with a forced distance between
293 the staves, so cross staff beaming and slurring can be used."
295 \override VerticalAlignment #'forced-distance = #12
296 \override VerticalAlignment #'self-alignment-Y = #0
298 \consists "Vertical_align_engraver"
299 \consists "Instrument_name_engraver"
301 instrumentName = #'()
302 shortInstrumentName = #'()
306 \type "Engraver_group"
307 \name InnerStaffGroup
309 \consists "Span_bar_engraver"
310 \consists "Span_arpeggio_engraver"
311 \consists "Output_property_engraver"
312 systemStartDelimiter = #'SystemStartBracket
314 \consists "System_start_delimiter_engraver"
316 \defaultchild "Staff"
318 \accepts "RhythmicStaff"
320 \accepts "GrandStaff"
321 \accepts "PianoStaff"
324 \accepts "ChordNames"
333 "Groups staffs while adding a bracket on the left side, grouping
334 the staves together. The bar lines of the contained staves are
335 connected vertically. StaffGroup only consists of a collection of
336 staffs, with a bracket in front and spanning bar lines. "
338 \accepts "InnerChoirStaff"
339 \accepts "ChoirStaff"
340 \accepts "InnerStaffGroup"
341 \accepts "FiguredBass"
346 \type "Engraver_group"
347 \override VerticalAxisGroup #'minimum-Y-extent = #'(-1.2 . 2.4)
348 extraVerticalExtent = ##f
351 \description " Corresponds to a voice with lyrics. Handles the
352 printing of a single line of lyrics. "
355 \consists "Lyric_engraver"
356 \consists "Extender_engraver"
357 \consists "Hyphen_engraver"
358 \consists "Stanza_number_engraver"
359 \consists "Instrument_name_engraver"
360 \consists "Skip_event_swallow_translator"
361 \consists "Font_size_engraver"
362 \consists "Hara_kiri_engraver"
363 \override VerticalAxisGroup #'remove-first = ##t
364 \override VerticalAxisGroup #'remove-empty = ##t
365 \override SeparationItem #'padding = #0.2
366 \override InstrumentName #'self-alignment-Y = ##f
368 %% sync with define-grobs.scm ;
369 \override InstrumentName #'font-size = #1.0
371 %% make sure that barlines aren't collapsed, when
372 %% Bar_engraver is there.
373 \override BarLine #'bar-size = #0.1
378 \type "Engraver_group"
380 \consists "Axis_group_engraver"
382 \override VerticalAxisGroup #'minimum-Y-extent = ##f
383 extraVerticalExtent = ##f
387 \consists "Rest_swallow_translator"
388 \consists "Skip_event_swallow_translator"
389 \consists "Tie_engraver"
390 \consists "Note_name_engraver"
391 \consists "Separating_line_group_engraver"
395 \type "Engraver_group"
397 \description "Typesets chord names."
399 \consists "Volta_engraver"
401 \consists "Rest_swallow_translator"
402 \consists "Output_property_engraver"
403 \consists "Separating_line_group_engraver"
404 \consists "Chord_name_engraver"
405 \consists "Skip_event_swallow_translator"
406 \consists "Hara_kiri_engraver"
408 voltaOnThisStaff = ##f
409 \override VerticalAxisGroup #'minimum-Y-extent = #'(0 . 2.5)
410 extraVerticalExtent = ##f
411 \override SeparatingGroupSpanner #'padding = #0.8
412 \override VerticalAxisGroup #'remove-first = ##t
413 \override VerticalAxisGroup #'remove-empty = ##t
418 RemoveEmptyStaffContext= \context {
420 \remove "Axis_group_engraver"
421 \consists "Hara_kiri_engraver"
422 \override Beam #'auto-knee-gap = #'()
423 \override VerticalAxisGroup #'remove-empty = ##t
426 AncientRemoveEmptyStaffContext = \context {
427 %% why not add by default?
429 \RemoveEmptyStaffContext
430 \accepts "VaticanaVoice"
431 \accepts "GregorianTranscriptionVoice"
432 \accepts "MensuralVoice"
436 \type "Score_engraver"
439 \description "This is the top level notation context. No
440 other context can contain a @code{Score} context. This context
441 handles the administration of time signatures. It also makes sure
442 that items such as clefs, time signatures, and key-signatures are
443 aligned across staves.
445 You cannot explicitly instantiate a Score context (since it is
446 not contained in any other context). It is instantiated
447 automatically when an output definition (a @code{\score} or
448 @code{\layout} block) is processed."
451 \consists "Paper_column_engraver"
452 \consists "Vertically_spaced_contexts_engraver"
453 \consists "Repeat_acknowledge_engraver"
454 \consists "Staff_collecting_engraver"
456 %% move the alias along with the engraver.
458 \consists "Timing_translator"
459 \consists "Default_bar_line_engraver"
460 \consists "Output_property_engraver"
461 \consists "System_start_delimiter_engraver"
462 \consists "Mark_engraver"
463 \consists "Metronome_mark_engraver"
464 \consists "Break_align_engraver"
465 \consists "Spacing_engraver"
466 \consists "Grace_spacing_engraver"
467 \consists "Vertical_align_engraver"
468 \consists "Stanza_number_align_engraver"
469 \consists "Bar_number_engraver"
470 \consists "Tweak_engraver"
471 \consists "Parenthesis_engraver"
473 \defaultchild "Staff"
476 \accepts "RhythmicStaff"
478 \accepts "VaticanaStaff"
479 \accepts "GregorianTranscriptionStaff"
480 \accepts "MensuralStaff"
481 \accepts "StaffGroup"
484 \accepts "ChordNames"
485 \accepts "GrandStaff"
486 \accepts "ChoirStaff"
487 \accepts "PianoStaff"
490 \accepts "FiguredBass"
493 soloIIText = #"Solo II"
495 printPartCombineTexts = ##t
496 systemStartDelimiter =#'SystemStartBar
498 drumStyleTable = #drums-style
500 melismaBusyProperties = #default-melisma-properties
502 clefGlyph = #"clefs.G"
504 middleCPosition = #-6
507 defaultBarType = #"|"
508 barNumberVisibility = #first-bar-number-invisible
511 explicitClefVisibility = #all-visible
512 explicitKeySignatureVisibility = #all-visible
513 autoBeamSettings = #default-auto-beam-settings
515 autoBeamCheck = #default-auto-beam-check
516 scriptDefinitions = #default-script-alist
518 pedalSustainStrings = #'("Ped." "*Ped." "*")
519 pedalSustainStyle = #'text
520 pedalUnaCordaStrings = #'("una corda" "" "tre corde")
521 pedalUnaCordaStyle = #'text
523 %% These are in ordinary italic font, including the *,
524 %% but they are unlikely to be used,
525 %% as the default pedal-style for SostenutoPedal is 'mixed':
526 %% i.e. Sost. Ped_____________________
527 pedalSostenutoStrings = #'("Sost. Ped." "*Sost. Ped." "*")
528 pedalSostenutoStyle = #'mixed
530 harmonicAccidentals = ##t
531 fingeringOrientations = #'(up down)
532 stringNumberOrientations = #'(up down)
533 markFormatter = #format-mark-letters
538 autoAccidentals = #'(Staff (same-octave . 0))
539 autoCautionaries = #'()
541 printKeyCancellation = ##t
542 keyAlterationOrder = #`(
543 (6 . ,FLAT) (2 . ,FLAT) (5 . ,FLAT ) (1 . ,FLAT) (4 . ,FLAT) (0 . ,FLAT) (3 . ,FLAT)
544 (3 . ,SHARP) (0 . ,SHARP) (4 . ,SHARP) (1 . ,SHARP) (5 . ,SHARP) (2 . ,SHARP) (6 . ,SHARP)
545 (6 . ,DOUBLE-FLAT) (2 . ,DOUBLE-FLAT) (5 . ,DOUBLE-FLAT ) (1 . ,DOUBLE-FLAT) (4 . ,DOUBLE-FLAT) (0 . ,DOUBLE-FLAT) (3 . ,DOUBLE-FLAT)
546 (3 . ,DOUBLE-SHARP) (0 . ,DOUBLE-SHARP) (4 . ,DOUBLE-SHARP) (2 . ,DOUBLE-SHARP) (5 . ,DOUBLE-SHARP) (2 . ,DOUBLE-SHARP) (6 . ,DOUBLE-SHARP)
549 barCheckSynchronize = ##f
552 chordNameFunction = #ignatzek-chord-names
553 majorSevenSymbol = #whiteTriangleMarkup
554 chordNameSeparator = #(make-simple-markup "/")
555 chordNameExceptions = #ignatzekExceptions
556 chordNoteNamer = #'()
557 chordRootNamer = #note-name->markup
558 chordPrefixSpacer = #0
559 chordNameExceptionsFull = #fullJazzExceptions
560 chordNameExceptionsPartial = #partialJazzExceptions
563 bassStaffProperties = #'((assign clefGlyph "clefs.F")
564 (assign clefPosition 2)
565 (assign middleCPosition 6))
567 stringOneTopmost = ##t
570 %% One may change the strings tuning as following :
571 %% The lenght of the list must be equal to the number of string
572 stringTunings = #guitar-tuning
573 tablatureFormat = #fret-number-tablature-format
576 figuredBassFormatter = #format-bass-figure
577 metronomeMarkFormatter = #format-metronome-markup
579 (Voice Stem direction ,UP)
580 (Voice Stem font-size -3)
581 (Voice NoteHead font-size -3)
582 (Voice Dots font-size -3)
583 (Voice Stem length-fraction 0.8)
584 (Voice Stem no-stem-extend #t)
585 (Voice Beam thickness 0.384)
586 (Voice Beam length-fraction 0.8)
587 (Voice Accidental font-size -4)
588 (Voice Slur direction ,DOWN)
591 keepAliveInterfaces = #'(rhythmic-grob-interface lyric-interface percent-repeat-interface)
592 quotedEventTypes = #'(note-event rest-event time-scaled-music tie-event beam-event)
593 instrumentTransposition = #(ly:make-pitch 0 0 0)
595 verticallySpacedContexts = #'(Staff)
597 hairpinToBarline = ##t
606 \type "Engraver_group"
609 \consists "Figured_bass_engraver"
610 \consists "Note_swallow_translator"
611 \consists "Skip_event_swallow_translator"
612 \consists "Separating_line_group_engraver"
613 \consists "Hara_kiri_engraver"
615 \override VerticalAxisGroup #'remove-empty = ##t
616 \override VerticalAxisGroup #'remove-first = ##t
617 \override VerticalAxisGroup #'minimum-Y-extent = #'(-0.5 . 2.5)
622 \type "Engraver_group"
624 %% don't want to route anything out of here:
627 \consists "Swallow_engraver"
628 \description "Silently discards all musical information given to this context. "
635 \consists "Tab_note_heads_engraver"
636 \remove "Note_heads_engraver"
637 \remove "Fingering_engraver"
638 \remove "New_fingering_engraver"
640 \description "Context for drawing notes in a Tab staff. "
642 %% TabStaff increase the staff-space, which in turn
643 %% increases beam thickness and spacing; beams are
644 %% too big. We have to adjust the beam settings:
645 \override Beam #'thickness = #0.32
646 \override Beam #'length-fraction = #0.62
648 %% No accidental in tablature !
649 \remove Accidental_engraver
657 \consists "Tab_staff_symbol_engraver"
659 \description "Context for generating tablature. [DOCME]"
662 \defaultchild "TabVoice"
665 \override StaffSymbol #'staff-space = #1.5
667 %% Don't draw stems over the tablature figures !
668 \override Stem #'avoid-note-head = ##t
670 %% No accidental in tablature !
671 \remove "Accidental_engraver"
672 \remove "Key_engraver"
673 \remove "String_number_engraver"
674 %% Special "TAB" clef
675 clefGlyph = #"clefs.tab"
679 %% TODO: Gregorian Chant contexts should be moved to gregorian-init.ly,
680 %% but this does not work (is this a bug or intended behaviour?):
682 %% If I try to do so, I get "error: unknown escaped string:
683 %% `\VaticanaStaff'" in params-init.ly. If I also move
684 %% "\context { \Vaticana*Context }" from params-init.ly to the end
685 %% of gregorian-init.ly, then I get "error: parse error, unexpected
686 %% TRANSLATOR: \context { \VaticanaStaff }" in
687 %% gregorian-init.ly. --jr
691 \name "VaticanaVoice"
693 \description "Same as @code{Voice} context, except that it is accommodated for tyepsetting Gregorian Chant in the notational style of Editio Vaticana."
695 \remove "Slur_engraver"
696 \remove "Stem_engraver"
697 \remove "Ligature_bracket_engraver"
698 \consists "Vaticana_ligature_engraver"
700 %% Set default head for notes outside of \[ \].
701 \override NoteHead #'style = #'vaticana.punctum
703 %% Put some space before and after divisiones.
704 %% FIXME: This does not seem to show any effect.
705 \override Script #'padding = #0.5
707 %% There are no beams in Gregorian Chant notation.
710 %% Prepare TextSpanner for \episem{Initium|Finis} use.
712 %% N.B.: dash-fraction MUST be unset; otherwise, TextSpanner will
713 %% always produce dashed lines, regardless of the style property.
715 %% FIXME: The line @code{\override TextSpanner #'padding = #-0.1} is
716 %% required to force the articulation signs being placed vertically
717 %% tightly to the correpsonding note heads.
719 \override TextSpanner #'dash-fraction = #'()
720 \override TextSpanner #'style = #'line
721 \override TextSpanner #'edge-height = #'(0 . 0)
722 \override TextSpanner #'padding = #-0.1
723 \override TextSpanner #'enclose-bounds = #1
724 \override TextSpanner #'edge-text = #'("" . "")
727 %% FIXME: need something like
728 %% \remove "Bar_number_engraver" (which lives on score level)
729 %% for vaticana and gregorian transcription staves
733 \name "VaticanaStaff"
736 \accepts "VaticanaVoice"
737 \defaultchild "VaticanaVoice"
739 \description "Same as @code{Staff} context, except that it is accommodated for tyepsetting Gregorian Chant in the notational style of Editio Vaticana."
741 \remove "Time_signature_engraver"
742 \consists "Custos_engraver"
744 %% We can not remove Bar_engraver; otherwise clefs and custodes will
745 %% not show up any more among other line breaking issues.
746 %% Instead, we make the grob transparent.
747 \override BarLine #'transparent = ##t
749 \override StaffSymbol #'line-count = #4
750 \override StaffSymbol #'thickness = #0.6
752 %% FIXME: unit on StaffSymbol's width should be \linewidth.
753 %% \override StaffSymbol #'width = #60.0
755 %% Choose vaticana do clef on 3rd line as default.
756 clefGlyph = #"clefs.vaticana.do"
761 %% Select vaticana style font.
762 \override KeySignature #'style = #'vaticana
763 \override Accidental #'style = #'vaticana
764 \override Custos #'style = #'vaticana
765 \override Custos #'neutral-position = #3
766 \override Custos #'neutral-direction = #DOWN
771 \name "GregorianTranscriptionVoice"
774 %% Removing ligature bracket engraver without replacing it by some
775 %% other ligature engraver would cause a "Junking event: `LigatureEvent'"
776 %% warning for every "\[" and "\]". Therefore, we make the grob
777 %% transparent instead.
778 \override LigatureBracket #'transparent = ##t
780 %% Put some space before and after divisiones.
781 %% FIXME: This does not seem to show any effect.
782 \override Script #'padding = #0.5
784 %% There are no beams in Gregorian Chant notation.
787 %% Prepare TextSpanner for \episem{Initium|Finis} use.
789 %% N.B.: dash-fraction MUST be unset; otherwise, TextSpanner will
790 %% always produce dashed lines, regardless of the style property.
792 %% FIXME: The line @code{\override TextSpanner #'padding = #-0.1} is
793 %% required to force the articulation signs being placed vertically
794 %% tightly to the correpsonding note heads.
796 \override TextSpanner #'dash-fraction = #'()
797 \override TextSpanner #'style = #'line
798 \override TextSpanner #'edge-height = #'(0 . 0)
799 \override TextSpanner #'padding = #-0.1
800 \override TextSpanner #'enclose-bounds = #1
801 \override TextSpanner #'edge-text = #'("" . "")
806 \name "GregorianTranscriptionStaff"
809 \accepts "GregorianTranscriptionVoice"
810 \defaultchild "GregorianTranscriptionVoice"
812 %% We can not remove Bar_engraver; otherwise clefs and custodes will
813 %% not show up any more among other line breaking issues.
814 %% Instead, we make the grob transparent.
815 \override BarLine #'transparent = ##t
820 \name "MensuralVoice"
822 \description "Same as @code{Voice} context, except that it is accommodated for tyepsetting a piece in mensural style."
824 \remove "Slur_engraver"
825 \remove "Ligature_bracket_engraver"
826 \consists "Mensural_ligature_engraver"
828 %% Set default head for notes outside of \[ \].
829 \override NoteHead #'style = #'petrucci
831 %% There are no beams in mensural notation.
837 \name "MensuralStaff"
840 \defaultchild "MensuralVoice"
841 \accepts "MensuralVoice"
842 \description "Same as @code{Staff} context, except that it is accommodated for tyepsetting a piece in mensural style."
844 \consists "Custos_engraver"
846 %% We can not remove Bar_engraver; otherwise clefs and custodes will
847 %% not show up any more among other line breaking issues.
848 %% Instead, we make the grob transparent.
849 \override BarLine #'transparent = ##t
851 \override StaffSymbol #'thickness = #0.6
853 %% FIXME: unit on StaffSymbol's width should be \linewidth.
854 %% \override StaffSymbol #'width = #60.0
856 %% Choose petrucci g clef on 2nd line as default.
857 clefGlyph = #"clefs.petrucci.g"
858 middleCPosition = #-6
862 %% Select mensural style font.
863 \override TimeSignature #'style = #'mensural
864 \override KeySignature #'style = #'mensural
865 \override Accidental #'style = #'mensural
866 \override Custos #'style = #'mensural
867 \override Custos #'neutral-position = #3
868 \override Custos #'neutral-direction = #DOWN
872 RemoveEmptyRhythmicStaffContext= \context {
874 \remove "Axis_group_engraver"
875 \override VerticalAxisGroup #'remove-empty = ##t
876 \consists "Hara_kiri_engraver"