Index - O
| offset | Music.Time.Onset, Music.Time, Music.Score |
| offsetDefault | Music.Time.Onset, Music.Time, Music.Score |
| onset | Music.Time.Onset, Music.Time, Music.Score |
| onsetDefault | Music.Time.Onset, Music.Time, Music.Score |
| openLy | Music.Score.Export.Lilypond, Music.Score |
| openXml | Music.Score.Export.MusicXml, Music.Score |
| openXmlSingle | Music.Score.Export.MusicXml, Music.Score |
| Option | |
| 1 (Data Constructor) | Music.Score |
| 2 (Type/Class) | Music.Score |
| option | Music.Score |