+
+ basicBreathingSignProperties = #`(
+ (break-align-symbol . Breathing_sign)
+ (breakable . #t )
+ (molecule-callback . ,Breathing_sign::scheme_molecule)
+ (visibility-lambda . ,begin-of-line-invisible)
+ )
+ basicClefItemProperties = #`(
+ (molecule-callback . ,Score_element::scheme_molecule)
+ (breakable . #t)
+ (break-align-symbol . Clef_item)
+ (visibility-lambda . ,begin-of-line-visible)
+ )
+ basicSlurProperties = #`(
+ (molecule-callback . ,Slur::scheme_molecule)
+ )
+ basicChordNameProperties = #`(
+ (molecule-callback . ,Chord_name::scheme_molecule)
+ )
+ basicCollisionProperties = #`(
+ (axes 0 1)
+ )
+ basicCrescendoProperties = #`(
+ (molecule-callback . ,Crescendo::scheme_molecule)
+ )
+ basicDotsProperties = #`(
+ (molecule-callback . ,Dots::scheme_molecule)
+ )
+ basicDynamicLineSpannerProperties = #`(
+
+ )
+ basicDynamicTextProperties = # `(
+ (style . "dynamic")
+ (molecule-callback . ,Text_item::scheme_molecule)
+ (script-priority . 100)
+ (self-alignment-Y . 0)
+ )
+ leftEdgeBasicProperties = #`(
+ (break-align-symbol . Left_edge_item)
+ (breakable . #t)
+ )
+ basicHyphenSpannerProperties = #`(
+ (molecule-callback . ,Hyphen_spanner::scheme_molecule)
+ )
+ basicKeyProperties = #`(
+ (molecule-callback . ,Key_item::scheme_molecule)
+ (break-align-symbol . Key_item)
+ (visibility-lambda . ,begin-of-line-visible)
+ (breakable . #t)
+ )
+ basicLocalKeyProperties = #`(
+ (molecule-callback . ,Local_key_item::scheme_molecule)
+ (left-padding . 0.2)
+ (right-padding . 0.4)
+ )
+ basicLyricExtenderProperties = #`(
+ (molecule-callback . ,Lyric_extender::scheme_molecule)
+ )
+ basicLyricTextProperties = #`(
+ (molecule-callback . ,Text_item::scheme_molecule)
+ (non-rhythmic . #t)
+ )
+ basicMarkProperties = #`(
+ (molecule-callback . ,Text_item::scheme_molecule)
+ (breakable . #t)
+ (visibility-lambda . ,end-of-line-invisible)
+ )
+ basicMultiMeasureRestProperties = #`(
+ (molecule-callback . ,Multi_measure_rest::scheme_molecule)
+ (staff-position . 0)
+ )
+ basicNoteColumnProperties = #`(
+ (axes 0 1)
+ )
+ basicNoteHeadProperties = #`(
+ (molecule-callback . ,Note_head::scheme_molecule)
+ )
+ basicOctavateEightProperties = #`(
+ (self-alignment-X . 0)
+ (text . "8")
+ (visibility-lambda . ,begin-of-line-visible)
+ (molecule-callback . ,Text_item::scheme_molecule)
+ (style . "italic")
+ )
+ basicTextProperties = #`( )
+ basicRestProperties = #`(
+ (molecule-callback . ,Rest::scheme_molecule)
+ )
+
+ basicRestCollisionProperties = #`(
+ )
+ basicScriptProperties = #`(
+ (molecule-callback . ,Script::scheme_molecule)
+ )
+
+ basicSlurProperties = #`(
+ (molecule-callback . ,Slur::scheme_molecule)
+ )
+
+ basicSystemStartDelimiterProperties = #`(
+ (molecule-callback . ,System_start_delimiter::scheme_molecule)
+ (collapse-height . 1.0)
+ )
+ basicStemProperties = #`(
+ (molecule-callback . ,Stem::scheme_molecule)
+ )
+ staffSymbolBasicProperties = #`(
+ (molecule-callback . ,Staff_symbol::scheme_molecule)
+ (staff-space . 1.0 )
+ (line-count . 5 )
+ )
+ basicTextScriptProperties = #`(
+ (molecule-callback . ,Text_item::scheme_molecule)
+ (no-spacing-rods . #t)
+ )
+ basicTimeSignatureProperties = #`(
+ (molecule-callback . ,Time_signature::scheme_molecule)
+ (break-align-symbol . Time_signature)
+ (visibility-lambda . ,all-visible)
+ (breakable . #t)
+ )
+ basicTieProperties = #`(
+ (molecule-callback . ,Tie::scheme_molecule)
+ )
+ basicTieColumnProperties = #`(
+
+ )
+ basicTupletSpannerProperties = #`(
+ (molecule-callback . ,Tuplet_spanner::scheme_molecule)
+ )
+ basicStemTremoloProperties = #`(
+ (molecule-callback . ,Stem_tremolo::scheme_molecule)
+ (beam-width . 4.0) ; interline!
+ (beam-thickness . 0.42) ; interline!
+ )
+
+ basicSingleMaltGroupingItemProperties = #`(
+
+ )
+ basicInstrumentNameProperties = #`(
+ (breakable . #t)
+ (molecule-callback . ,Text_item::scheme_molecule)
+ (break-align-symbol . Instrument_name)
+ (visibility-lambda . ,begin-of-line-visible)
+ )
+ basicVerticalAxisGroupProperties = #`(
+ (axes 1)
+ )
+ basicVoltaSpannerProperties = #`(
+ (molecule-callback . ,Volta_spanner::scheme_molecule)
+ )
+