| 541. Robin Mullarkey | Bass, Percussion, Vocals | 1 |
| 541. Robin Olson | Featured Artist | 1 |
| 541. Robin Vining | Guitar, Vocals | 1 |
| 541. Rocco Nigro | Accordion, Audio | 1 |
| 541. Rocco Palladino | Bass | 1 |
| 541. Roddy Ricch | Keys, Vocals | 1 |
| 541. Rodney Crowell | Featured Artist | 1 |
| 541. Rodrigo Amarante | Featured Artist | 1 |
| 541. Rodrigo Avendano | Keyboards | 1 |
| 541. Roger "Jooseondrums" Benford | Drums | 1 |
| 541. Roger Eno | Composer, Piano | 1 |
| 541. Roger Lewis | Baritone Sax | 1 |
| 541. Roger Tallroth | 12-String Guitar | 1 |
| 541. Rogerst Charles | Saxophone | 1 |
| 541. Rogest "Roscoe" Carstarphen | Keys | 1 |
| 541. Rogét Chahayed | Keys | 1 |
| 541. Rohin Khemani | Percussion | 1 |
| 541. Rokia Traoré | Featured Artist | 1 |
| 541. Rolando "Phanso" Wilson | Drums | 1 |
| 541. Rolando Morales-Matos | Percussion | 1 |
| 541. Rollum Haas | Drum Machine | 1 |
| 541. Roma Baran | Audio, Synthesizer | 1 |
| 541. Romano DiNillo | Bodhran, Cajon | 1 |
| 541. Romier Mendez | Bass | 1 |
| 541. Rommel Ribeiro | Guitar | 1 |