Top 99 Artists
- Olivia Rodrigo (1966)
- Oscar Hammerstein (3440)
- Ola Gjeilo (247)
- Oasis (962)
- Otis Blackwell (237)
- Oscar Peterson (294)
- Otis Redding (605)
- Ozzy Osbourne (700)
- Olivia Newton-John (136)
- Ottorino Respighi (496)
- Oscar Ahnfelt (285)
- OneRepublic (879)
- One Direction (830)
- Olivier Messiaen (140)
- Otto Harbach (258)
- Ottakar Sevcik (107)
- Olive Dungan (9)
- Old Crow Medicine Show (34)
- OutKast (136)
- Otto von Irmer (12)
- Orlando Murden (103)
- Oliver Holden (290)
- Orlando Gibbons (381)
- Otto Nicolai (157)
- Oscar Rieding (27)
- Old English Carol (20)
- Oliver Nelson (150)
- Oakley Haldeman (186)
- Olli Mustonen (62)
- Oskar Bohme (318)
- Omi (108)
- Otto M. Schwarz (336)
- Oscar Espla (34)
- Odette Gartenlaub (87)
- Oliver Nagy (15)
- Oscar Escalada (38)
- Ocean (39)
- O'Kelly Isley (78)
- Oscar Lorenzo Fernandez (28)
- Olivia Cresswell (16)
- Orazio Vecchi (68)
- Ole Bull (104)
- Ole Olsen (12)
- Oreste Ravanello (14)
- Otto Olsson (33)
- Othmar Schoeck (69)
- Oskar Lindberg (22)
- Ole Schmidt (39)
- Oliver Knussen (36)
- Osvaldo Golijov (31)
- Oley Speaks (13)
- Orgy (12)
- Otto Luening (117)
- Olivier Bensa (13)
- Otto Gauss (11)
- Oleg Kiselev (22)
- Otto Langey (65)
- Oscar Levant (22)
- Olga Magidenko (39)
- Otto Siegl (11)
- Oscar Straus (51)
- Olga Kroupova (13)
- Otto Taubmann (30)
- Odis Echols (10)
- Orlande De Lassus (739)
- Ovid Young (32)