Index - O
| oct | Musicology.Core |
| octave | Musicology.Core |
| octaves | Musicology.Core |
| Offset | Musicology.Core |
| offset | Musicology.Core |
| offsetL | Musicology.Core |
| OnOff | Musicology.Core |
| onOffContent | Musicology.Core |
| onOffGroups | Musicology.Core.Slicing |
| Onset | Musicology.Core |
| onset | Musicology.Core |
| onsetL | Musicology.Core |