Most Appearances (Performer)
| Name | Role(s) | # | | 541. Román Diaz | Bongos, Cowbell | 1 |
| 541. Ron Allen | Bass | 1 |
| 541. Ron Carter | Bass | 1 |
| 541. Ron Gilmore | Keys, Vocals | 1 |
| 541. Ron Mael | Keyboards | 1 |
| 541. Ron Poindexter | Vocals | 1 |
| 541. Ron Tnava Avant | Keys, Vocals | 1 |
| 541. Rona Siddiqui | Keys, Music Direction | 1 |
| 541. Ronald Bruner Jr. | Drums | 1 |
| 541. Ronald Isley | Vocals | 1 |
| 541. Ronald Nazaire | Percussion | 1 |
| 541. Ronaldo Silva | Percussion | 1 |
| 541. Ronnie Heard | Sax | 1 |
| 541. Ronnie McCoury | Mandolin | 1 |
| 541. Roomful Of Teeth | Featured Artist | 1 |
| 541. Roosevelt Collier | Lap Steel Guitar | 1 |
| 541. Rosa DÃaz | Featured Artist | 1 |
| 541. Rosalind Leyden | Musician | 1 |
| 541. Rosanne Cash | Guitar, Vocals | 1 |
| 541. Rose Ann Dimalanta | Keys | 1 |
| 541. Rose Droll | Keys, Piano, Vocals | 1 |
| 541. Roselyn Williams | Vocals | 1 |
| 541. Rosetta | Bass, Percussion, Vocals | 1 |
| 541. Rosie Tucker | Acoustic Guitar, Vocals | 1 |
| 541. Ross Craib | Drums | 1 |