GNU LilyPond – Internals Reference

This page is for LilyPond-2.21.82 (development-branch).

We welcome your aid; please help us by reporting errors to our bug list.

• 1. Music definitions
  • 1.1 Music expressions
    • 1.1.1 AbsoluteDynamicEvent
    • 1.1.2 AlternativeEvent
    • 1.1.3 AnnotateOutputEvent
    • 1.1.4 ApplyContext
    • 1.1.5 ApplyOutputEvent
    • 1.1.6 ArpeggioEvent
    • 1.1.7 ArticulationEvent
    • 1.1.8 AutoChangeMusic
    • 1.1.9 BarCheck
    • 1.1.10 BassFigureEvent
    • 1.1.11 BeamEvent
    • 1.1.12 BeamForbidEvent
    • 1.1.13 BendAfterEvent
    • 1.1.14 BreakDynamicSpanEvent
    • 1.1.15 BreathingEvent
    • 1.1.16 ClusterNoteEvent
    • 1.1.17 CompletizeExtenderEvent
    • 1.1.18 ContextChange
    • 1.1.19 ContextSpeccedMusic
    • 1.1.20 CrescendoEvent
    • 1.1.21 DecrescendoEvent
    • 1.1.22 DoublePercentEvent
    • 1.1.23 DurationLineEvent
    • 1.1.24 EpisemaEvent
    • 1.1.25 Event
    • 1.1.26 EventChord
    • 1.1.27 ExtenderEvent
    • 1.1.28 FingeringEvent
    • 1.1.29 FootnoteEvent
    • 1.1.30 GlissandoEvent
    • 1.1.31 GraceMusic
    • 1.1.32 HarmonicEvent
    • 1.1.33 HyphenEvent
    • 1.1.34 KeyChangeEvent
    • 1.1.35 LabelEvent
    • 1.1.36 LaissezVibrerEvent
    • 1.1.37 LigatureEvent
    • 1.1.38 LineBreakEvent
    • 1.1.39 LyricCombineMusic
    • 1.1.40 LyricEvent
    • 1.1.41 MarkEvent
    • 1.1.42 MeasureCounterEvent
    • 1.1.43 MeasureSpannerEvent
    • 1.1.44 MultiMeasureArticulationEvent
    • 1.1.45 MultiMeasureRestEvent
    • 1.1.46 MultiMeasureRestMusic
    • 1.1.47 MultiMeasureTextEvent
    • 1.1.48 Music
    • 1.1.49 NoteEvent
    • 1.1.50 NoteGroupingEvent
    • 1.1.51 OttavaMusic
    • 1.1.52 OverrideProperty
    • 1.1.53 PageBreakEvent
    • 1.1.54 PageTurnEvent
    • 1.1.55 PartCombineMusic
    • 1.1.56 PartCombinePartMusic
    • 1.1.57 PartialSet
    • 1.1.58 PercentEvent
    • 1.1.59 PercentRepeatedMusic
    • 1.1.60 PesOrFlexaEvent
    • 1.1.61 PhrasingSlurEvent
    • 1.1.62 PostEvents
    • 1.1.63 PropertySet
    • 1.1.64 PropertyUnset
    • 1.1.65 QuoteMusic
    • 1.1.66 RelativeOctaveCheck
    • 1.1.67 RelativeOctaveMusic
    • 1.1.68 RepeatSlashEvent
    • 1.1.69 RepeatTieEvent
    • 1.1.70 RestEvent
    • 1.1.71 RevertProperty
    • 1.1.72 ScriptEvent
    • 1.1.73 SequentialMusic
    • 1.1.74 SimultaneousMusic
    • 1.1.75 SkipEvent
    • 1.1.76 SkipMusic
    • 1.1.77 SlurEvent
    • 1.1.78 SoloOneEvent
    • 1.1.79 SoloTwoEvent
    • 1.1.80 SostenutoEvent
    • 1.1.81 SpacingSectionEvent
    • 1.1.82 SpanEvent
    • 1.1.83 StaffSpanEvent
    • 1.1.84 StringNumberEvent
    • 1.1.85 StrokeFingerEvent
    • 1.1.86 SustainEvent
    • 1.1.87 TempoChangeEvent
    • 1.1.88 TextScriptEvent
    • 1.1.89 TextSpanEvent
    • 1.1.90 TieEvent
    • 1.1.91 TimeScaledMusic
    • 1.1.92 TimeSignatureEvent
    • 1.1.93 TimeSignatureMusic
    • 1.1.94 TransposedMusic
    • 1.1.95 TremoloEvent
    • 1.1.96 TremoloRepeatedMusic
    • 1.1.97 TremoloSpanEvent
    • 1.1.98 TrillSpanEvent
    • 1.1.99 TupletSpanEvent
    • 1.1.100 UnaCordaEvent
    • 1.1.101 UnfoldedRepeatedMusic
    • 1.1.102 UnisonoEvent
    • 1.1.103 UnrelativableMusic
    • 1.1.104 VoiceSeparator
    • 1.1.105 VoltaRepeatedMusic
    • 1.1.106 VowelTransitionEvent
  • 1.2 Music classes
    • 1.2.1 absolute-dynamic-event
    • 1.2.2 alternative-event
    • 1.2.3 annotate-output-event
    • 1.2.4 apply-output-event
    • 1.2.5 arpeggio-event
    • 1.2.6 articulation-event
    • 1.2.7 bass-figure-event
    • 1.2.8 beam-event
    • 1.2.9 beam-forbid-event
    • 1.2.10 bend-after-event
    • 1.2.11 break-dynamic-span-event
    • 1.2.12 break-event
    • 1.2.13 break-span-event
    • 1.2.14 breathing-event
    • 1.2.15 cluster-note-event
    • 1.2.16 completize-extender-event
    • 1.2.17 crescendo-event
    • 1.2.18 decrescendo-event
    • 1.2.19 double-percent-event
    • 1.2.20 duration-line-event
    • 1.2.21 dynamic-event
    • 1.2.22 episema-event
    • 1.2.23 extender-event
    • 1.2.24 fingering-event
    • 1.2.25 footnote-event
    • 1.2.26 glissando-event
    • 1.2.27 harmonic-event
    • 1.2.28 hyphen-event
    • 1.2.29 key-change-event
    • 1.2.30 label-event
    • 1.2.31 laissez-vibrer-event
    • 1.2.32 layout-instruction-event
    • 1.2.33 ligature-event
    • 1.2.34 line-break-event
    • 1.2.35 lyric-event
    • 1.2.36 mark-event
    • 1.2.37 measure-counter-event
    • 1.2.38 measure-spanner-event
    • 1.2.39 melodic-event
    • 1.2.40 multi-measure-articulation-event
    • 1.2.41 multi-measure-rest-event
    • 1.2.42 multi-measure-text-event
    • 1.2.43 music-event
    • 1.2.44 note-event
    • 1.2.45 note-grouping-event
    • 1.2.46 page-break-event
    • 1.2.47 page-turn-event
    • 1.2.48 part-combine-event
    • 1.2.49 pedal-event
    • 1.2.50 percent-event
    • 1.2.51 pes-or-flexa-event
    • 1.2.52 phrasing-slur-event
    • 1.2.53 repeat-slash-event
    • 1.2.54 repeat-tie-event
    • 1.2.55 rest-event
    • 1.2.56 rhythmic-event
    • 1.2.57 script-event
    • 1.2.58 skip-event
    • 1.2.59 slur-event
    • 1.2.60 solo-one-event
    • 1.2.61 solo-two-event
    • 1.2.62 sostenuto-event
    • 1.2.63 spacing-section-event
    • 1.2.64 span-dynamic-event
    • 1.2.65 span-event
    • 1.2.66 staff-span-event
    • 1.2.67 StreamEvent
    • 1.2.68 string-number-event
    • 1.2.69 stroke-finger-event
    • 1.2.70 sustain-event
    • 1.2.71 tempo-change-event
    • 1.2.72 text-script-event
    • 1.2.73 text-span-event
    • 1.2.74 tie-event
    • 1.2.75 time-signature-event
    • 1.2.76 tremolo-event
    • 1.2.77 tremolo-span-event
    • 1.2.78 trill-span-event
    • 1.2.79 tuplet-span-event
    • 1.2.80 una-corda-event
    • 1.2.81 unisono-event
    • 1.2.82 vowel-transition-event
  • 1.3 Music properties
• 2. Translation
  • 2.1 Contexts
    • 2.1.1 ChoirStaff
    • 2.1.2 ChordNames
    • 2.1.3 CueVoice
    • 2.1.4 Devnull
    • 2.1.5 DrumStaff
    • 2.1.6 DrumVoice
    • 2.1.7 Dynamics
    • 2.1.8 FiguredBass
    • 2.1.9 FretBoards
    • 2.1.10 Global
    • 2.1.11 GrandStaff
    • 2.1.12 GregorianTranscriptionStaff
    • 2.1.13 GregorianTranscriptionVoice
    • 2.1.14 KievanStaff
    • 2.1.15 KievanVoice
    • 2.1.16 Lyrics
    • 2.1.17 MensuralStaff
    • 2.1.18 MensuralVoice
    • 2.1.19 NoteNames
    • 2.1.20 NullVoice
    • 2.1.21 OneStaff
    • 2.1.22 PetrucciStaff
    • 2.1.23 PetrucciVoice
    • 2.1.24 PianoStaff
    • 2.1.25 RhythmicStaff
    • 2.1.26 Score
    • 2.1.27 Staff
    • 2.1.28 StaffGroup
    • 2.1.29 TabStaff
    • 2.1.30 TabVoice
    • 2.1.31 VaticanaStaff
    • 2.1.32 VaticanaVoice
    • 2.1.33 Voice
  • 2.2 Engravers and Performers
    • 2.2.1 Accidental_engraver
    • 2.2.2 Ambitus_engraver
    • 2.2.3 Arpeggio_engraver
    • 2.2.4 Auto_beam_engraver
    • 2.2.5 Axis_group_engraver
    • 2.2.6 Balloon_engraver
    • 2.2.7 Bar_engraver
    • 2.2.8 Bar_number_engraver
    • 2.2.9 Beam_collision_engraver
    • 2.2.10 Beam_engraver
    • 2.2.11 Beam_performer
    • 2.2.12 Bend_engraver
    • 2.2.13 Break_align_engraver
    • 2.2.14 Breathing_sign_engraver
    • 2.2.15 Chord_name_engraver
    • 2.2.16 Chord_tremolo_engraver
    • 2.2.17 Clef_engraver
    • 2.2.18 Cluster_spanner_engraver
    • 2.2.19 Collision_engraver
    • 2.2.20 Completion_heads_engraver
    • 2.2.21 Completion_rest_engraver
    • 2.2.22 Concurrent_hairpin_engraver
    • 2.2.23 Control_track_performer
    • 2.2.24 Cue_clef_engraver
    • 2.2.25 Custos_engraver
    • 2.2.26 Default_bar_line_engraver
    • 2.2.27 Dot_column_engraver
    • 2.2.28 Dots_engraver
    • 2.2.29 Double_percent_repeat_engraver
    • 2.2.30 Drum_note_performer
    • 2.2.31 Drum_notes_engraver
    • 2.2.32 Duration_line_engraver
    • 2.2.33 Dynamic_align_engraver
    • 2.2.34 Dynamic_engraver
    • 2.2.35 Dynamic_performer
    • 2.2.36 Episema_engraver
    • 2.2.37 Extender_engraver
    • 2.2.38 Figured_bass_engraver
    • 2.2.39 Figured_bass_position_engraver
    • 2.2.40 Fingering_column_engraver
    • 2.2.41 Fingering_engraver
    • 2.2.42 Font_size_engraver
    • 2.2.43 Footnote_engraver
    • 2.2.44 Forbid_line_break_engraver
    • 2.2.45 Fretboard_engraver
    • 2.2.46 Glissando_engraver
    • 2.2.47 Grace_auto_beam_engraver
    • 2.2.48 Grace_beam_engraver
    • 2.2.49 Grace_engraver
    • 2.2.50 Grace_spacing_engraver
    • 2.2.51 Grid_line_span_engraver
    • 2.2.52 Grid_point_engraver
    • 2.2.53 Grob_pq_engraver
    • 2.2.54 Horizontal_bracket_engraver
    • 2.2.55 Hyphen_engraver
    • 2.2.56 Instrument_name_engraver
    • 2.2.57 Instrument_switch_engraver
    • 2.2.58 Keep_alive_together_engraver
    • 2.2.59 Key_engraver
    • 2.2.60 Key_performer
    • 2.2.61 Kievan_ligature_engraver
    • 2.2.62 Laissez_vibrer_engraver
    • 2.2.63 Ledger_line_engraver
    • 2.2.64 Ligature_bracket_engraver
    • 2.2.65 Lyric_engraver
    • 2.2.66 Lyric_performer
    • 2.2.67 Mark_engraver
    • 2.2.68 Measure_counter_engraver
    • 2.2.69 Measure_grouping_engraver
    • 2.2.70 Measure_spanner_engraver
    • 2.2.71 Melody_engraver
    • 2.2.72 Mensural_ligature_engraver
    • 2.2.73 Merge_mmrest_numbers_engraver
    • 2.2.74 Merge_rests_engraver
    • 2.2.75 Metronome_mark_engraver
    • 2.2.76 Midi_control_change_performer
    • 2.2.77 Multi_measure_rest_engraver
    • 2.2.78 New_fingering_engraver
    • 2.2.79 Note_head_line_engraver
    • 2.2.80 Note_heads_engraver
    • 2.2.81 Note_name_engraver
    • 2.2.82 Note_performer
    • 2.2.83 Note_spacing_engraver
    • 2.2.84 Ottava_spanner_engraver
    • 2.2.85 Output_property_engraver
    • 2.2.86 Page_turn_engraver
    • 2.2.87 Paper_column_engraver
    • 2.2.88 Parenthesis_engraver
    • 2.2.89 Part_combine_engraver
    • 2.2.90 Percent_repeat_engraver
    • 2.2.91 Phrasing_slur_engraver
    • 2.2.92 Piano_pedal_align_engraver
    • 2.2.93 Piano_pedal_engraver
    • 2.2.94 Piano_pedal_performer
    • 2.2.95 Pitch_squash_engraver
    • 2.2.96 Pitched_trill_engraver
    • 2.2.97 Pure_from_neighbor_engraver
    • 2.2.98 Repeat_acknowledge_engraver
    • 2.2.99 Repeat_tie_engraver
    • 2.2.100 Rest_collision_engraver
    • 2.2.101 Rest_engraver
    • 2.2.102 Rhythmic_column_engraver
    • 2.2.103 Script_column_engraver
    • 2.2.104 Script_engraver
    • 2.2.105 Script_row_engraver
    • 2.2.106 Separating_line_group_engraver
    • 2.2.107 Slash_repeat_engraver
    • 2.2.108 Slur_engraver
    • 2.2.109 Slur_performer
    • 2.2.110 Spacing_engraver
    • 2.2.111 Span_arpeggio_engraver
    • 2.2.112 Span_bar_engraver
    • 2.2.113 Span_bar_stub_engraver
    • 2.2.114 Span_stem_engraver
    • 2.2.115 Spanner_break_forbid_engraver
    • 2.2.116 Staff_collecting_engraver
    • 2.2.117 Staff_performer
    • 2.2.118 Staff_symbol_engraver
    • 2.2.119 Stanza_number_align_engraver
    • 2.2.120 Stanza_number_engraver
    • 2.2.121 Stem_engraver
    • 2.2.122 System_start_delimiter_engraver
    • 2.2.123 Tab_note_heads_engraver
    • 2.2.124 Tab_staff_symbol_engraver
    • 2.2.125 Tab_tie_follow_engraver
    • 2.2.126 Tempo_performer
    • 2.2.127 Text_engraver
    • 2.2.128 Text_spanner_engraver
    • 2.2.129 Tie_engraver
    • 2.2.130 Tie_performer
    • 2.2.131 Time_signature_engraver
    • 2.2.132 Time_signature_performer
    • 2.2.133 Timing_translator
    • 2.2.134 Trill_spanner_engraver
    • 2.2.135 Tuplet_engraver
    • 2.2.136 Tweak_engraver
    • 2.2.137 Vaticana_ligature_engraver
    • 2.2.138 Vertical_align_engraver
    • 2.2.139 Volta_engraver
  • 2.3 Tunable context properties
  • 2.4 Internal context properties
• 3. Backend
  • 3.1 All layout objects
    • 3.1.1 Accidental
    • 3.1.2 AccidentalCautionary
    • 3.1.3 AccidentalPlacement
    • 3.1.4 AccidentalSuggestion
    • 3.1.5 Ambitus
    • 3.1.6 AmbitusAccidental
    • 3.1.7 AmbitusLine
    • 3.1.8 AmbitusNoteHead
    • 3.1.9 Arpeggio
    • 3.1.10 BalloonTextItem
    • 3.1.11 BalloonTextSpanner
    • 3.1.12 BarLine
    • 3.1.13 BarNumber
    • 3.1.14 BassFigure
    • 3.1.15 BassFigureAlignment
    • 3.1.16 BassFigureAlignmentPositioning
    • 3.1.17 BassFigureBracket
    • 3.1.18 BassFigureContinuation
    • 3.1.19 BassFigureLine
    • 3.1.20 Beam
    • 3.1.21 BendAfter
    • 3.1.22 BreakAlignGroup
    • 3.1.23 BreakAlignment
    • 3.1.24 BreathingSign
    • 3.1.25 ChordName
    • 3.1.26 Clef
    • 3.1.27 ClefModifier
    • 3.1.28 ClusterSpanner
    • 3.1.29 ClusterSpannerBeacon
    • 3.1.30 CombineTextScript
    • 3.1.31 CueClef
    • 3.1.32 CueEndClef
    • 3.1.33 Custos
    • 3.1.34 DotColumn
    • 3.1.35 Dots
    • 3.1.36 DoublePercentRepeat
    • 3.1.37 DoublePercentRepeatCounter
    • 3.1.38 DoubleRepeatSlash
    • 3.1.39 DurationLine
    • 3.1.40 DynamicLineSpanner
    • 3.1.41 DynamicText
    • 3.1.42 DynamicTextSpanner
    • 3.1.43 Episema
    • 3.1.44 Fingering
    • 3.1.45 FingeringColumn
    • 3.1.46 Flag
    • 3.1.47 FootnoteItem
    • 3.1.48 FootnoteSpanner
    • 3.1.49 FretBoard
    • 3.1.50 Glissando
    • 3.1.51 GraceSpacing
    • 3.1.52 GridLine
    • 3.1.53 GridPoint
    • 3.1.54 Hairpin
    • 3.1.55 HorizontalBracket
    • 3.1.56 HorizontalBracketText
    • 3.1.57 InstrumentName
    • 3.1.58 InstrumentSwitch
    • 3.1.59 KeyCancellation
    • 3.1.60 KeySignature
    • 3.1.61 KievanLigature
    • 3.1.62 LaissezVibrerTie
    • 3.1.63 LaissezVibrerTieColumn
    • 3.1.64 LedgerLineSpanner
    • 3.1.65 LeftEdge
    • 3.1.66 LigatureBracket
    • 3.1.67 LyricExtender
    • 3.1.68 LyricHyphen
    • 3.1.69 LyricSpace
    • 3.1.70 LyricText
    • 3.1.71 MeasureCounter
    • 3.1.72 MeasureGrouping
    • 3.1.73 MeasureSpanner
    • 3.1.74 MelodyItem
    • 3.1.75 MensuralLigature
    • 3.1.76 MetronomeMark
    • 3.1.77 MultiMeasureRest
    • 3.1.78 MultiMeasureRestNumber
    • 3.1.79 MultiMeasureRestScript
    • 3.1.80 MultiMeasureRestText
    • 3.1.81 NonMusicalPaperColumn
    • 3.1.82 NoteCollision
    • 3.1.83 NoteColumn
    • 3.1.84 NoteHead
    • 3.1.85 NoteName
    • 3.1.86 NoteSpacing
    • 3.1.87 OttavaBracket
    • 3.1.88 PaperColumn
    • 3.1.89 ParenthesesItem
    • 3.1.90 PercentRepeat
    • 3.1.91 PercentRepeatCounter
    • 3.1.92 PhrasingSlur
    • 3.1.93 PianoPedalBracket
    • 3.1.94 RehearsalMark
    • 3.1.95 RepeatSlash
    • 3.1.96 RepeatTie
    • 3.1.97 RepeatTieColumn
    • 3.1.98 Rest
    • 3.1.99 RestCollision
    • 3.1.100 Script
    • 3.1.101 ScriptColumn
    • 3.1.102 ScriptRow
    • 3.1.103 Slur
    • 3.1.104 SostenutoPedal
    • 3.1.105 SostenutoPedalLineSpanner
    • 3.1.106 SpacingSpanner
    • 3.1.107 SpanBar
    • 3.1.108 SpanBarStub
    • 3.1.109 StaffGrouper
    • 3.1.110 StaffSpacing
    • 3.1.111 StaffSymbol
    • 3.1.112 StanzaNumber
    • 3.1.113 Stem
    • 3.1.114 StemStub
    • 3.1.115 StemTremolo
    • 3.1.116 StringNumber
    • 3.1.117 StrokeFinger
    • 3.1.118 SustainPedal
    • 3.1.119 SustainPedalLineSpanner
    • 3.1.120 System
    • 3.1.121 SystemStartBar
    • 3.1.122 SystemStartBrace
    • 3.1.123 SystemStartBracket
    • 3.1.124 SystemStartSquare
    • 3.1.125 TabNoteHead
    • 3.1.126 TextScript
    • 3.1.127 TextSpanner
    • 3.1.128 Tie
    • 3.1.129 TieColumn
    • 3.1.130 TimeSignature
    • 3.1.131 TrillPitchAccidental
    • 3.1.132 TrillPitchGroup
    • 3.1.133 TrillPitchHead
    • 3.1.134 TrillSpanner
    • 3.1.135 TupletBracket
    • 3.1.136 TupletNumber
    • 3.1.137 UnaCordaPedal
    • 3.1.138 UnaCordaPedalLineSpanner
    • 3.1.139 VaticanaLigature
    • 3.1.140 VerticalAlignment
    • 3.1.141 VerticalAxisGroup
    • 3.1.142 VoiceFollower
    • 3.1.143 VoltaBracket
    • 3.1.144 VoltaBracketSpanner
    • 3.1.145 VowelTransition
  • 3.2 Graphical Object Interfaces
    • 3.2.1 accidental-interface
    • 3.2.2 accidental-placement-interface
    • 3.2.3 accidental-suggestion-interface
    • 3.2.4 align-interface
    • 3.2.5 ambitus-interface
    • 3.2.6 arpeggio-interface
    • 3.2.7 axis-group-interface
    • 3.2.8 balloon-interface
    • 3.2.9 bar-line-interface
    • 3.2.10 bass-figure-alignment-interface
    • 3.2.11 bass-figure-interface
    • 3.2.12 beam-interface
    • 3.2.13 bend-after-interface
    • 3.2.14 break-alignable-interface
    • 3.2.15 break-aligned-interface
    • 3.2.16 break-alignment-interface
    • 3.2.17 breathing-sign-interface
    • 3.2.18 chord-name-interface
    • 3.2.19 clef-interface
    • 3.2.20 clef-modifier-interface
    • 3.2.21 cluster-beacon-interface
    • 3.2.22 cluster-interface
    • 3.2.23 custos-interface
    • 3.2.24 dot-column-interface
    • 3.2.25 dots-interface
    • 3.2.26 duration-line-interface
    • 3.2.27 dynamic-interface
    • 3.2.28 dynamic-line-spanner-interface
    • 3.2.29 dynamic-text-interface
    • 3.2.30 dynamic-text-spanner-interface
    • 3.2.31 enclosing-bracket-interface
    • 3.2.32 episema-interface
    • 3.2.33 figured-bass-continuation-interface
    • 3.2.34 finger-interface
    • 3.2.35 fingering-column-interface
    • 3.2.36 flag-interface
    • 3.2.37 font-interface
    • 3.2.38 footnote-interface
    • 3.2.39 footnote-spanner-interface
    • 3.2.40 fret-diagram-interface
    • 3.2.41 glissando-interface
    • 3.2.42 grace-spacing-interface
    • 3.2.43 gregorian-ligature-interface
    • 3.2.44 grid-line-interface
    • 3.2.45 grid-point-interface
    • 3.2.46 grob-interface
    • 3.2.47 hairpin-interface
    • 3.2.48 hara-kiri-group-spanner-interface
    • 3.2.49 horizontal-bracket-interface
    • 3.2.50 horizontal-bracket-text-interface
    • 3.2.51 inline-accidental-interface
    • 3.2.52 instrument-specific-markup-interface
    • 3.2.53 item-interface
    • 3.2.54 key-cancellation-interface
    • 3.2.55 key-signature-interface
    • 3.2.56 kievan-ligature-interface
    • 3.2.57 ledger-line-spanner-interface
    • 3.2.58 ledgered-interface
    • 3.2.59 ligature-bracket-interface
    • 3.2.60 ligature-head-interface
    • 3.2.61 ligature-interface
    • 3.2.62 line-interface
    • 3.2.63 line-spanner-interface
    • 3.2.64 lyric-extender-interface
    • 3.2.65 lyric-hyphen-interface
    • 3.2.66 lyric-interface
    • 3.2.67 lyric-syllable-interface
    • 3.2.68 mark-interface
    • 3.2.69 measure-counter-interface
    • 3.2.70 measure-grouping-interface
    • 3.2.71 measure-spanner-interface
    • 3.2.72 melody-spanner-interface
    • 3.2.73 mensural-ligature-interface
    • 3.2.74 metronome-mark-interface
    • 3.2.75 multi-measure-interface
    • 3.2.76 multi-measure-rest-interface
    • 3.2.77 multi-measure-rest-number-interface
    • 3.2.78 note-collision-interface
    • 3.2.79 note-column-interface
    • 3.2.80 note-head-interface
    • 3.2.81 note-name-interface
    • 3.2.82 note-spacing-interface
    • 3.2.83 number-interface
    • 3.2.84 only-prebreak-interface
    • 3.2.85 ottava-bracket-interface
    • 3.2.86 outside-staff-axis-group-interface
    • 3.2.87 outside-staff-interface
    • 3.2.88 paper-column-interface
    • 3.2.89 parentheses-interface
    • 3.2.90 percent-repeat-interface
    • 3.2.91 percent-repeat-item-interface
    • 3.2.92 piano-pedal-bracket-interface
    • 3.2.93 piano-pedal-interface
    • 3.2.94 piano-pedal-script-interface
    • 3.2.95 pitched-trill-interface
    • 3.2.96 pure-from-neighbor-interface
    • 3.2.97 rest-collision-interface
    • 3.2.98 rest-interface
    • 3.2.99 rhythmic-grob-interface
    • 3.2.100 rhythmic-head-interface
    • 3.2.101 script-column-interface
    • 3.2.102 script-interface
    • 3.2.103 self-alignment-interface
    • 3.2.104 semi-tie-column-interface
    • 3.2.105 semi-tie-interface
    • 3.2.106 separation-item-interface
    • 3.2.107 side-position-interface
    • 3.2.108 slur-interface
    • 3.2.109 spaceable-grob-interface
    • 3.2.110 spacing-interface
    • 3.2.111 spacing-options-interface
    • 3.2.112 spacing-spanner-interface
    • 3.2.113 span-bar-interface
    • 3.2.114 spanner-interface
    • 3.2.115 staff-grouper-interface
    • 3.2.116 staff-spacing-interface
    • 3.2.117 staff-symbol-interface
    • 3.2.118 staff-symbol-referencer-interface
    • 3.2.119 stanza-number-interface
    • 3.2.120 stem-interface
    • 3.2.121 stem-tremolo-interface
    • 3.2.122 string-number-interface
    • 3.2.123 stroke-finger-interface
    • 3.2.124 system-interface
    • 3.2.125 system-start-delimiter-interface
    • 3.2.126 system-start-text-interface
    • 3.2.127 tab-note-head-interface
    • 3.2.128 text-interface
    • 3.2.129 text-script-interface
    • 3.2.130 tie-column-interface
    • 3.2.131 tie-interface
    • 3.2.132 time-signature-interface
    • 3.2.133 trill-pitch-accidental-interface
    • 3.2.134 trill-spanner-interface
    • 3.2.135 tuplet-bracket-interface
    • 3.2.136 tuplet-number-interface
    • 3.2.137 unbreakable-spanner-interface
    • 3.2.138 vaticana-ligature-interface
    • 3.2.139 volta-bracket-interface
    • 3.2.140 volta-interface
  • 3.3 User backend properties
  • 3.4 Internal backend properties
• 4. Scheme functions
• A. Indices
  • A.1 Concept index
  • A.2 Function index