| 574. Clayton Penrose-Whitmore (Violin) | Musician | 1 |
| 574. Clem Braden | Background Vocals, Mandolin, Upright Piano | 1 |
| 574. Clem Snide with Scott Avett | Featured Artist | 1 |
| 574. Clementine Brown | Violin | 1 |
| 574. Cleon Edwards | Drums | 1 |
| 574. Clipse | Featured Artist | 1 |
| 574. Cmaze | Background Vocals | 1 |
| 574. Coastcity | Brass Arrangements, Musical Direction, Vocal Arrangements | 1 |
| 574. Coby Petricone-Berg | Alto Saxophone | 1 |
| 574. Coco Jones | Vocals | 1 |
| 574. Cody Perrin | Guitar | 1 |
| 574. Coko | Vocals | 1 |
| 574. Coldplay | Featured Artist | 1 |
| 574. Cole Berggren | Banjo, Piano | 1 |
| 574. Colin Chambers | Keys | 1 |
| 574. Colin Cook | Guitar | 1 |
| 574. Colin Creev | Guitar, Piano, Vocals | 1 |
| 574. Colin Croom | Dobro, Guitar, Pedal Steel | 1 |
| 574. Colin Donnell | Vocals | 1 |
| 574. Colin Greenwood | Bass | 1 |
| 574. Colin Lee | Drums | 1 |
| 574. Colin Miller | Background Vocals, Drums | 1 |
| 574. Colin Newman | Guitar, Vocals | 1 |
| 574. Colins "Bear" Regisford | Bass | 1 |
| 574. Colum Enrique | Drums | 1 |