| Artist | Active | Genre & Styles |
|---|---|---|
| Frederik van Rossum | 1960s - 1990s | Classical, Concerto, Keyboard, Symphony |
| Ricardo Kanji | International, Classical, Brazilian Traditions, Concerto, Chamber Music, Orchestral | |
| Robert John | 1950s - 1990s | Pop/Rock, Folk, R&B, Soft Rock, AM Pop, Contemporary Pop/Rock, Folk-Pop, Beach, Soul |
| Roberta Flack | 1960s - 2020s | R&B, Quiet Storm, Smooth Soul, Soul, Soft Rock, Adult Contemporary R&B |