Most Appearances (Performer)
| Name | Role(s) | # |
|---|---|---|
| 598. Raymond McKinley | Bass, Production Management, Tour Management | 1 |
| 598. Raymond Nesmith | Bass | 1 |
| 598. Raúl Moya | Bass, Moog, Vocals | 1 |
| 598. Raúl Reymundi | Guitar, Vocals | 1 |
| 598. Reagan Smith | Banjo | 1 |
| 598. Real Estate | Featured Artist | 1 |
| 598. Rebecca Jade | Vocals | 1 |
| 598. Rebecca Lasaponaro | Drums, Vocals | 1 |
| 598. Red Walrus | Percussion | 1 |
| 598. Reetta-Kaisa Iles | Vocals | 1 |
| 598. Refilwe Tshepiso Morake | Vocals | 1 |
| 598. Reggie Parker | Bass | 1 |
| 598. Reggie Regg | Drums | 1 |
| 598. Reggie Watts | Featured Artist | 1 |
| 598. Regina Carter | Featured Artist | 1 |
| 598. Regina Spektor | Featured Artist | 1 |
| 598. Reginald Chapman | Trombone | 1 |
| 598. Rei Alvaresz | Maracas, Vocals | 1 |
| 598. Reimundo Sosa | Percussion | 1 |
| 598. Reinoud Ford | Cello | 1 |
| 598. Remey Williams | Drums | 1 |
| 598. Renaldo Elliott | Drums | 1 |
| 598. Renaud Garcia-Fons | Featured Artist | 1 |
| 598. Renee Rosnes | Piano | 1 |
| 598. Renzo Vignati | Electric Guitar | 1 |