Most Appearances (Performer)
| Name | Role(s) | # |
|---|---|---|
| 598. Ragtime | Featured Artist | 1 |
| 598. Rahel Lulseged | Cello | 1 |
| 598. Rahim AlHaj | Featured Artist | 1 |
| 598. RaiNao | Maracas, Tenor Sax, Vocals | 1 |
| 598. Rain Man | Drums | 1 |
| 598. Rakim | Vocals | 1 |
| 598. Raliegh Neal II | Keys | 1 |
| 598. Ralph Real | Rhodes, Vocals | 1 |
| 598. Ralph Rolle | Drums, Vocals | 1 |
| 598. Ralph Schaefer | Musician | 1 |
| 598. Ralph Stanley | Featured Artist | 1 |
| 598. Rami El Aasser | Backing Vocals, Percussion | 1 |
| 598. Rami Jaffee | Keys | 1 |
| 598. Ramiro Marziani | Guitar | 1 |
| 598. Ramzy Suleiman | Keyboard, Synthesiser, Vocals | 1 |
| 598. Rana Santacruz | Featured Artist | 1 |
| 598. Randal Fisher | Saxophone | 1 |
| 598. Randall Goosby | Violin | 1 |
| 598. Randy Cohen | Keyboard Programmer | 1 |
| 598. Randy Newman | Featured Artist | 1 |
| 598. Rani Adi | Bass | 1 |
| 598. Rapsody | Featured Artist | 1 |
| 598. Raquel Berrios | Vocals | 1 |
| 598. Raquel Rodriguez | Vocals | 1 |
| 598. Raquel Sofia | Featured Artist | 1 |