Artist Directory — O
- O Yuki Conjugate
- Oasis
- Of Montreal
- Ojoruido
- Olhon
- Omega Syndicate
- One Night Only
- Oophoi
- Oophoi and Mathias Grassow and Amir Baghiri
- Ooze
- Orange Juice
- Orbital
- Ordo Equilibrio
- Orkiestra Osmego Dnia
- Orplid
- Oskar Sala
- Otis Redding
- Otis Spann and Fleetwood Mac
- Otomo Yoshihide and Martin Tetreault
- Over Kill
- Oystein Sevag
- O Yuki Conjugate and The Sons Of Silence
- Ochre
- Off The Sky
- Old Horned Sheep
- Omar A. Rodriguez-Lopez
- On
- Oomph!
- Oophoi and Klaus Wiese
- Oophoi and Tau Ceti
- Opus III
- Orb
- Orbital Decay
- Oreoles
- Ornament
- Oscar Peterson
- Oswaldo Montenegro
- Otis Rush
- Otis Spann with Muddy Waters And His Band
- Our Lady Peace
- Ovnimoon
- Oz Noy
