artists "O" (214)
- Agent Orange
- Ginny Owens
- And Oceans
- Glory Opera
- Atomic Opera
- Hazel O'Connor
- Autopilot Off
- Hin Onde
- Bachman-Turner Overdrive
- Inside Out
- Beth Orton
- Jake Owen
- Blue October
- James Otto
- Bonnie Owens
- Jamie O'Hara
- Buck Owens
- Jamie O'Neal
- Camera Obscura
- Jeannie Ortega
- Cannibal Ox
- Jeffrey Osborne
- Ceremonial Oath
- Joan Osborne
- Colby O'Donis
- Kardinall Offishall
- Conjure One
- Kelly Osbourne
- Dark Opera
- Lash Out
- Day One
- Lux Occulta
- Deathspell Omega
- Manchester Orchestra
- Defiance, Ohio
- Maren Ord
- Disharmonic Orchestra
- Marie Osmond
- Dolores O'Riordan
- Mark Owen
- Dr. Octagon
- Melissa O'Neil
- Erick Onasis
- Midnight Oil
- Eternal Oath
- Mike Oldfield
- Evidence One
- New Order
- Gilbert O'Sullivan
- No One