- One Trick PonyRosemary's Sons
- Only Love (Set You Free)N-Trance
- Operettes: Le Chanteur De Mexico / La Belle De CadixLuis Mariano
- 프린스의 왕자 OST모조 (Mojo)
- 哦!哦!哦!한다연 (韩多英)
- Outside (Anevo Remix)Anevo
- One KissAnevo
- 소우주학예회 OST Part.2 (小宇宙才艺表演会 OST Part.2)진현 (秦贤)
- 소우주학예회 OST Part.1 (小宇宙才艺表演会 OST Part.1)진현 (秦贤)
- Original Album SeriesThe Groundhogs
- OrganicBefamous
- Ocean of DustlightDreamcatcher
- Oh lalaVanessa
- Obsessive DreamTALAMASCA
- Old School for Raver, Vol. 3TALAMASCA
- Overcome아침 (Achime)
- Old School for Raver, Vol. 2TALAMASCA
- Old School for Raver, Vol. 1TALAMASCA
- On the Two Deaths OfPain of Salvation
- One Hour By the Concrete LakePain of Salvation
- OprahJaqe
- Onwards To The WallA Place To Bury Strangers
- Only Time Will TellMr Dawk
- O Cantor das MultidõesOrlando Silva
- Omalicha (Explicit)Sens
- OxannaAnna Oxa
- Oggi a BerlinoArmando Trovajoli
- OxaAnna Oxa
- Orlando Silva O Cantor Das MultidõesOrlando Silva
- O for the Wings of a DoveTemple Church Choir
- OceanNischay Parekh
- Our Little Christmas Concert (With Sing-a-Long Booklet)Santa's Little Helpers
- 우리들의 꿈 (Our dream) [Explicit]박영규 (朴元奎)
- One Time Lover (Remixes)Roman Polonsky
- Çorum Ellerinin Tatlı BülbülüAşık Gülabi
- OwsleyOwsley
- Opera Arias (歌剧咏叹调)Sena Jurinac
- Out For LunchLouk
- On With The DanceMeyer Davis
- O Outro Lado Da Porta - Audio Do DVDFresno
- Open Air ImpressionsJoel Vandroogenbroeck
- Oil TankersJoel Vandroogenbroeck
- OzinioMihalis Safras
- Off My ChestLouk
- Omo AyoTimi Dakolo
- ObimTimi Dakolo
- Obras-PrimasNara Leao
- O Canto Livre De NaraNara Leao
- Ocky MilkMomus
- Outlaws and ProdigalsKiros
- Otto SpookyMomus
- Oskar Tennis ChampionMomus
- One Man Army - EPMad Trakker
- OrangeJon Spencer Blues Explosion
- Oh ! Obama !La Compagnie Creole
- Our Lovely City (Hands Up For Detroit)Matthew Dear
- Out of Bad Luck / She Belongs to Me (Digital 45)Magic Sam
- 마지막악수 (One Last Handshake) (最后的握手)전형제 (全行在)
- OMNISCIONCoen
- Orchestral Sounds of the EmpireNew Zealand Army Band
