- Off The Charts:Nu Metal5 Alarm Music
- oc.Megha
- Off The Charts:Indie Pop5 Alarm Music
- Off The Charts:Hip-Hop/Dance5 Alarm Music
- Our Digital Selves (Original Soundtrack)Bernhard Drax
- Oxygène 2 L'étéPhilippe Bestion
- Off The Charts:Urban Mix5 Alarm Music
- Oxygène 1 Le Lever Du JourPhilippe Bestion
- Oxygène 11 Le RivagePhilippe Bestion
- Off The Charts:Electronica5 Alarm Music
- One Of EightKlogR
- Off The Charts:R&B/Pop5 Alarm Music
- Off The Charts:Hard Rock/Rocktronica (Disc 1)5 Alarm Music
- 오! 나의 여사친 (Oh! 我的女朋友)전성현 (全成贤)
- Outlaws and Angels (Original Motion Picture Soundtrack)Colin Stetson
- Overturn The DoomBRIDEAR
- One Bad B**chScarlet Haze
- One Bad ***** (Kats Version) [Explicit]Scarlet Haze
- On Your MindALEX LO FARO
- Out of TouchJaakko Eino Kalevi
- Out of the AfternoonRoy Haynes
- Olive JuiceEmily Reo
- O Mais Feliz da VidaA Banda Mais Bonita da Cidade
- Only You Can See ItEmily Reo
- Old And New Dreams (Live San Francisco '78)Dewey Redman
- One Hundred Years of British Song, Vol. 3Peter Dickinson
- 사랑은 방울방울 OST Part.6 (爱情是一点一滴 OST Part.6)수혁 (秀赫)
- One More for That CashZiya
- One Life - Taken From Superstar RecordingsCooper
- OBLITERATIONAbramelin
- OdotusPariisin Kevät
- Once in a Lullaby (Over the Rainbow / For What It's Worth / Ohio)Arrica Rose & the ...'s
- Organ ClassicsMichael Austin
- On Byrd's WingsDorothee Mields
- On Mercy StreetKeith Harkin
- Obras Garrapateras: Colección DefinitivaLos Delinqüentes
- Only For LoveWhee Jine
- One Fine Day in OctoberWhee Jine
- Organ Music not Vibraphone like I'd HopedMoonface
- O GunOgün Sanlisoy
- Optimo FDLOptimo
- OasiDj Ebreo
- Oriental NightsChris Cooper
- Out of SightTony Lionni
- Our Groove Your MoveGeorge Kontrafouris
- One out of FiveFrank Van Bogaert
- Our BodiesPanther
- Open RoadOli Brown
- One Summer Evening: LiveBruce Carroll
- OrgulloAlejandro Martinez
- Out of Business"Little" Jimmy Dickens
- Oh GirlRoach Killa
- OFFENBACH, J.: Grande-Duchesse de Gerolstein (La) [Operetta] (Valentini-Terrani, Censo, Allemanno, Orchestra Internazionale d'Italia, Villaume)Emmanuel Villaume
- OracleManuel De La Mare
- Olhos de OndaAdriana Calcanhotto
- O Micróbio do SambaAdriana Calcanhotto
- Over YouRoach Killa
- O Charme Das Canções - O Melhor De Geraldo AzevedoGeraldo Azevedo
- Otra Vez Buenos AiresSexteto Tango
- On the Verge of an Interstellar ImplosionReform