Most Appearances (Performer)
| Name | Role(s) | # |
|---|---|---|
| 554. Ronald Nazaire | Percussion | 1 |
| 554. Ronaldo Silva | Percussion | 1 |
| 554. Ronnie Heard | Sax | 1 |
| 554. Ronnie McCoury | Mandolin | 1 |
| 554. Roomful Of Teeth | Featured Artist | 1 |
| 554. Roosevelt Collier | Lap Steel Guitar | 1 |
| 554. Rosa DÃaz | Featured Artist | 1 |
| 554. Rosalind Leyden | Musician | 1 |
| 554. Rosanne Cash | Guitar, Vocals | 1 |
| 554. Rose Ann Dimalanta | Keys | 1 |
| 554. Rose Droll | Keys, Piano, Vocals | 1 |
| 554. Roselyn Williams | Vocals | 1 |
| 554. Rosetta | Bass, Percussion, Vocals | 1 |
| 554. Rosie Tucker | Acoustic Guitar, Vocals | 1 |
| 554. Ross Craib | Drums | 1 |
| 554. Ross McReynolds | Drums | 1 |
| 554. Rostam | Featured Artist | 1 |
| 554. Rostam Batmanglij | Guitar, Harmonica, Vocals | 1 |
| 554. Roy Ayers | Musician | 1 |
| 554. Roy Dyshon Warren | Choir | 1 |
| 554. Roy Pattern, Jr. | Vocals | 1 |
| 554. Royal Masat | Background Vocals, Bass | 1 |
| 554. Royal Thunder | Featured Artist | 1 |
| 554. Ruban Nielson | Guitar, Vocals | 1 |
| 554. Rubblebucket | Featured Artist | 1 |