- 欧皓汐
- OnlyOneOf
- Old Apparatus
- Oh Atoms
- Oranges&Lemons
- Operatica
- On Thorns I Lay
- Orange Range
- Obsession
- OToGI8
- Où est le Swimming Pool
- Oboken
- OFF
- Out Hud
- Opus 3
- Old Crow Medicine Sh
- Obits
- offthesky
- Obtained Enslavement
- Ohm Guru
- ORYO
- O Quam Tristis
- Olde Worlde
- Odroerir
- Oleander
- On a Friday
- Orleans
- October Fall
- Ordo Equitum Solis
- Ottorino Respighi
- Onur Özer
- Okkyung Lee
- On Escalators
- On Travel
- One Second Bridge
- Only Seven Left
- Oren Bloedow
- Orange Blossom
- Orange Pekoe
- Oranssi Pazuzu
- Outloud
- Oofotr
- only′小哲
- Old Silver Key
- 偶尔
- Oppressed by the Line
- Outlawz
- Overhead
- ORIENTAL MAGNETIC YELLOW
- One Man Army
- 欧阳曹亮
- 欧元
- Offshore
- One Last Look
- OVERGROUND ACOUSTIC UNDERGROUND
- Ov Hell
- Oliver Lake
- Oathean
- Outkast
- Oli Brown
- Odd Nosdam
- Olivia the Band
- Obituary[生死讣]
- Overseer
- Ohmega Watts
- Oppressor
- organs cafe
- Obfusc
- Overhang Party
- OMN
- Ouroboros
- Other Mountains
- Oscar Moore
- 欧瑞SoulCore
- Opio
- Oszibarack
- Otyg
- OV7
- Outrider
- Obscenity Trial
- OFF!
- ONE BUCK TUNER
- 欧阳明琪
- Oathbreaker
- Othar Turner
- Orchestre National de Jazz
- Ohbijou
- 欧阳林环
- Orange
- Outolintu
