| C | Data.Music.MusicXml.Pitch |
| Caesura | Data.Music.MusicXml.Score, Data.Music.MusicXml, Data.Music.MusicXml.Simple |
| caesura | Data.Music.MusicXml.Simple |
| CClef | Data.Music.MusicXml.Score, Data.Music.MusicXml, Data.Music.MusicXml.Simple |
| Change | Data.Music.MusicXml.Score, Data.Music.MusicXml, Data.Music.MusicXml.Simple |
| chord | Data.Music.MusicXml.Simple |
| CircleDotNoteHead | Data.Music.MusicXml.Score, Data.Music.MusicXml, Data.Music.MusicXml.Simple |
| CircleXNoteHead | Data.Music.MusicXml.Score, Data.Music.MusicXml, Data.Music.MusicXml.Simple |
| Clef | Data.Music.MusicXml.Score, Data.Music.MusicXml, Data.Music.MusicXml.Simple |
| clef | Data.Music.MusicXml.Simple |
| ClefSign | Data.Music.MusicXml.Score, Data.Music.MusicXml, Data.Music.MusicXml.Simple |
| ClusterNoteHead | Data.Music.MusicXml.Score, Data.Music.MusicXml, Data.Music.MusicXml.Simple |
| Coda | Data.Music.MusicXml.Score, Data.Music.MusicXml, Data.Music.MusicXml.Simple |
| coda | Data.Music.MusicXml.Simple |
| CommonTime | Data.Music.MusicXml.Score, Data.Music.MusicXml, Data.Music.MusicXml.Simple |
| commonTime | Data.Music.MusicXml.Simple |
| Continue | Data.Music.MusicXml.Score, Data.Music.MusicXml, Data.Music.MusicXml.Simple |
| ContinueBeam | Data.Music.MusicXml.Score, Data.Music.MusicXml, Data.Music.MusicXml.Simple |
| continueBeam | Data.Music.MusicXml.Simple |
| Creator | |
| 1 (Type/Class) | Data.Music.MusicXml.Score, Data.Music.MusicXml, Data.Music.MusicXml.Simple |
| 2 (Data Constructor) | Data.Music.MusicXml.Score, Data.Music.MusicXml, Data.Music.MusicXml.Simple |
| cresc | Data.Music.MusicXml.Simple |
| Crescendo | Data.Music.MusicXml.Score, Data.Music.MusicXml, Data.Music.MusicXml.Simple |
| crescFrom | Data.Music.MusicXml.Simple |
| crescFromTo | Data.Music.MusicXml.Simple |
| crescTo | Data.Music.MusicXml.Simple |
| CrossNoteHead | Data.Music.MusicXml.Score, Data.Music.MusicXml, Data.Music.MusicXml.Simple |
| CueNote | Data.Music.MusicXml.Score, Data.Music.MusicXml, Data.Music.MusicXml.Simple |
| CutTime | Data.Music.MusicXml.Score, Data.Music.MusicXml, Data.Music.MusicXml.Simple |
| cutTime | Data.Music.MusicXml.Simple |