| 554. Clarice Jensen | Artistic Director, Cello, Vocals | 1 |
| 554. Clark Sims | Bass | 1 |
| 554. Clarke Randolph | Violin | 1 |
| 554. Claudia Abena | Vocals | 1 |
| 554. Claudia Acuña | Vocals | 1 |
| 554. Claudia Gonson | Vocals | 1 |
| 554. Claudia Lopez | Background Vocals | 1 |
| 554. Clay Frankel | Background Vocals, Guitar | 1 |
| 554. Clay Ostwald | Keys, Music Director | 1 |
| 554. ClayDough | Keys | 1 |
| 554. Clayton Linthicum | Guitar | 1 |
| 554. Clayton Penrose-Whitmore (Violin) | Musician | 1 |
| 554. Clem Braden | Background Vocals, Mandolin, Upright Piano | 1 |
| 554. Clem Snide with Scott Avett | Featured Artist | 1 |
| 554. Clementine Brown | Violin | 1 |
| 554. Cleon Edwards | Drums | 1 |
| 554. Clipse | Featured Artist | 1 |
| 554. Cmaze | Background Vocals | 1 |
| 554. Coastcity | Brass Arrangements, Musical Direction, Vocal Arrangements | 1 |
| 554. Coby Petricone-Berg | Alto Saxophone | 1 |
| 554. Coco Jones | Vocals | 1 |
| 554. Cody Perrin | Guitar | 1 |
| 554. Coko | Vocals | 1 |
| 554. Coldplay | Featured Artist | 1 |
| 554. Cole Berggren | Banjo, Piano | 1 |