3.2 Graphical Object Interfaces ===============================
· accidental-interface · accidental-placement-interface · accidental-suggestion-interface · align-interface · ambitus-interface · arpeggio-interface · axis-group-interface · balloon-interface · bar-line-interface · bass-figure-alignment-interface · bass-figure-interface · beam-interface · bend-after-interface · break-alignable-interface · break-aligned-interface · break-alignment-interface · breathing-sign-interface · chord-name-interface · clef-interface · clef-modifier-interface · cluster-beacon-interface · cluster-interface · custos-interface · dot-column-interface · dots-interface · dynamic-interface · dynamic-line-spanner-interface · dynamic-text-interface · dynamic-text-spanner-interface · enclosing-bracket-interface · episema-interface · figured-bass-continuation-interface · finger-interface · fingering-column-interface · flag-interface · font-interface · footnote-interface · footnote-spanner-interface · fret-diagram-interface · glissando-interface · grace-spacing-interface · gregorian-ligature-interface · grid-line-interface · grid-point-interface · grob-interface · hairpin-interface · hara-kiri-group-spanner-interface · horizontal-bracket-interface · inline-accidental-interface · instrument-specific-markup-interface · item-interface · key-cancellation-interface · key-signature-interface · kievan-ligature-interface · ledger-line-spanner-interface · ledgered-interface · ligature-bracket-interface · ligature-head-interface · ligature-interface · line-interface · line-spanner-interface · lyric-extender-interface · lyric-hyphen-interface · lyric-interface · lyric-syllable-interface · mark-interface · measure-counter-interface · measure-grouping-interface · melody-spanner-interface · mensural-ligature-interface · metronome-mark-interface · multi-measure-interface · multi-measure-rest-interface · note-collision-interface · note-column-interface · note-head-interface · note-name-interface · note-spacing-interface · only-prebreak-interface · ottava-bracket-interface · paper-column-interface · parentheses-interface · percent-repeat-interface · percent-repeat-item-interface · piano-pedal-bracket-interface · piano-pedal-interface · piano-pedal-script-interface · pitched-trill-interface · pure-from-neighbor-interface · rest-collision-interface · rest-interface · rhythmic-grob-interface · rhythmic-head-interface · script-column-interface · script-interface · self-alignment-interface · semi-tie-column-interface · semi-tie-interface · separation-item-interface · side-position-interface · slur-interface · spaceable-grob-interface · spacing-interface · spacing-options-interface · spacing-spanner-interface · span-bar-interface · spanner-interface · staff-grouper-interface · staff-spacing-interface · staff-symbol-interface · staff-symbol-referencer-interface · stanza-number-interface · stem-interface · stem-tremolo-interface · string-number-interface · stroke-finger-interface · system-interface · system-start-delimiter-interface · system-start-text-interface · tab-note-head-interface · text-interface · text-script-interface · tie-column-interface · tie-interface · time-signature-interface · trill-pitch-accidental-interface · trill-spanner-interface · tuplet-bracket-interface · tuplet-number-interface · unbreakable-spanner-interface · vaticana-ligature-interface · volta-bracket-interface · volta-interface