- One Night Only: Film CollectionThe Academy Allstars
- Operate - SingleASTR
- Operate (The-Drum Remix)ASTR
- Original Album SeriesDonny Hathaway
- Overload (超载)Anthem (アンセム)
- Om Voices Krishna SongsOm Voices
- OM Voices from Dream StateOm Voices
- OVERLOADAnthem (アンセム)
- 「ハートキャッチプリキュア!」OP&EDテーマAlright ハートキャッチプリキュア!工藤真由
- Om Voices From XizangOm Voices
- Om Healing SoundscapesOm Voices
- Only PlayingDonny Hathaway
- One Hour With Frankie LaineFrankie laine
- Oh Good GriefVince Guaraldi (文斯·葛拉第)
- Out Of The Shadows 2.0 (Explicit)Escape the Fate
- Out Of The Shadows (Explicit)Escape the Fate
- One NightLoboda (Світлана Лобода)
- OOGAHDAM! (Tek Genesis Remix)What So Not
- ONLY LOVEMC JOE
- OWSLA Presents Eggnogg, Vol. 1What So Not
- Out Among The StarsMerle Haggard
- Our Hearts Still BeatingI Hate This Place
- OOGAHDAM!What So Not
- On Your MarkOnLine
- One Minute MayhemI Hate This Place
- Original Album ClassicsMerle Haggard
- Organic BachFranz Kramer
- On The Walls Of The Hall Of Fame, Hungry Hearts, Let Me Love You (The Script feat. will i am, Nause, NeYo Covers)Gavin Mikhail
- Other People's ProblemsBreton
- Okie From Muskogee (Live)Merle Haggard
- Original Flavor林子良
- 딴따라 OST Part.8 (戏子 OST Part.8)조복래 (赵福来)
- OceansLeon Lour
- Only Rock MastersThe Rock Masters
- ORBITAL MANEUVER phase : three phototaxis大嶋啓之 (おおしま ひろゆき)
- Our Time Will ComePriest
- One Last BreathJamestown Story
- Ode to Vivian (Rework)Patrick Watson
- Original skyline7JZ
- Of Liberty & RockThe Rock Masters
- Over 100 Hits - I Love ParisMichel Legrand (米歇尔·莱格朗)
- Open Your EyesVictoria Beckham (时髦辣妹)
- Oh Mary Don't You WeepNat King Cole Trio
- Original Hits: Nat King Cole TrioNat King Cole Trio
- 당신의 하우스헬퍼 OST Part.2 (你的管家 OST Part.2)산체스 (Sanchez)
- 나쁜 녀석들 : 악의 도시 OST Part.5 (坏家伙们:恶的都市 OST Part.5)산체스 (Sanchez)
- OnenessCafe Del Mar
- ピンポン OSTagraph (牛尾憲輔)
- OthernessCocteau twins (极地双子星)
- Ori:GinalThe Real Group
- One for AllThe Real Group
- OriginalThe Real Group
- 우리가 사랑할 수 있을까 OST Part.4 (我们可以相爱吗 OST Part.4|We can love each other OST Part.4)LC9 (엘씨나인)
- Oak Ridge Boys CollectionThe Oak Ridge Boys
- 완벽한 아내 OST Part.1 (完美的妻子 OST Part.1|Ms. Perfect OST Part.1)조유진 (赵柳真)
- OneKevin James
- Original Golden Best심수봉 (沈守峰)
- One MoreJimmy Cliff (吉米·克里夫)
- Open SeasonRivvrs
- On a Rolling StoneJimmy Cliff (吉米·克里夫)