- Oceania
- Opus Orange
- Oliver Serano Alve
- OG Daddy V
- OST
- 欧欧
- Obi
- O-24
- Observer Drift
- Our Blistered Horizon
- 欧汉声
- OMG战队
- Ovall
- 欧阳雪
- Odjbox
- Orientlic
- Oscar Araujo
- Oliver Schroer
- ORIGINAL LOVE
- Oceans Apart
- Orquesta Aragón
- Ola Podrida
- One Self
- Obscura
- O.C.
- Obscure Music Team
- 哦漏
- Omar-S
- 欧阳尚尚
- Okone
- Oliver Tank
- Opposition
- On Your Horizon
- Olivier Messiaen
- Odetta
- On An On
- OBB
- Olivier Deriviere
- 欧阳玲玲
- Orplid
- 讴歌
- 欧阳辉
- Ola Strandh
- 欧阳耀莹
- o+s
- Ougenweide
- Otis Rush
- Ornette Coleman
- Ohta-San
- Others
- Owen Richards
- Orphaned Land
- Otomo Yoshihide's New Jazz Orchestra
- Original Sin
- Our Friend, Surrender
- Otis Spann
- Osunlade
- 欧智卓玛
- One Morning Left
- Oliver Schories
- Oranje.
- One-T And Cool-T
- O. Children
- O'Death
- 欧恒
- 欧中建
- Otis Taylor
- oOoOO
- Omar Sosa
- 欧阳勇征
- Oliver Huntemann
- OJ
- Over the Ocean
- Oskord
- OverTheDogs
- Organized Konfusion
- Olivier Renoir
- Ozan
- Orulico
- O-Zone
- Oi Va Voi
- ORANGE★JAM
- Oupa
- Ormonde
- Ozark Mountain Daredevils
- Oregon
- One Star Closer
- Olatz Zugasti
- Otto Dix
- O'Ryan
