Most Appearances (Performer)
| Name | Role(s) | # |
|---|---|---|
| 596. Clem Snide with Scott Avett | Featured Artist | 1 |
| 596. Clementine Brown | Violin | 1 |
| 596. Cleon Edwards | Drums | 1 |
| 596. Clipse | Featured Artist | 1 |
| 596. Cmaze | Background Vocals | 1 |
| 596. Coastcity | Brass Arrangements, Musical Direction, Vocal Arrangements | 1 |
| 596. Coby Petricone-Berg | Alto Saxophone | 1 |
| 596. Coco Jones | Vocals | 1 |
| 596. Cody Perrin | Guitar | 1 |
| 596. Coko | Vocals | 1 |
| 596. Coldplay | Featured Artist | 1 |
| 596. Cole Berggren | Banjo, Piano | 1 |
| 596. Colin Chambers | Keys | 1 |
| 596. Colin Cook | Guitar | 1 |
| 596. Colin Creev | Guitar, Piano, Vocals | 1 |
| 596. Colin Croom | Dobro, Guitar, Pedal Steel | 1 |
| 596. Colin Donnell | Vocals | 1 |
| 596. Colin Greenwood | Bass | 1 |
| 596. Colin Lee | Drums | 1 |
| 596. Colin Miller | Background Vocals, Drums | 1 |
| 596. Colin Newman | Guitar, Vocals | 1 |
| 596. Colins "Bear" Regisford | Bass | 1 |
| 596. Colton Good | Sax | 1 |
| 596. Colum Enrique | Drums | 1 |
| 596. Come From Away | Featured Artist | 1 |