- Osa minustaKari Tapio
- 동네의 영웅 OST Part.1 (Local Hero OST Part.1) (邻家英雄 OST Part.1)이루펀트 (Eluphant)
- Our Fair LadyJulie London (茱莉·伦敦)
- Olen suomalainen - Kaikki levytykset 1972-1992Kari Tapio
- Olen suomalainen - 44 huippuhetkeä 1972 - 1992Kari Tapio
- On Your SideSafetysuit (安全西装)
- On Your SideKura (Kúra)
- Once Upon a TimeJulie London (茱莉·伦敦)
- Only Love - The Very Best of Nana MouskouriNana Mouskouri (娜娜)
- OUTSPOKENSBTRKT (面具怪客)
- Our Love Is Here to StayJulie London (茱莉·伦敦)
- キャプテンハーロック Outside Legend ~The endless odyssey~ORIGINAL SOUNDTRACK服部隆之 (はっとり たかゆき)
- Oldies Selection, Best Production, Vol. 1Julie London (茱莉·伦敦)
- Oneday (Prayer For Love And Peace)Uyama Hiroto (宇山寛人)
- One Day / In The SeaUyama Hiroto (宇山寛人)
- 이몽 OST Part.5 (异梦 OST Part.5)남규리 (南圭丽)
- 이몽 OST Part.2 (异梦 OST Part.2)남규리 (南圭丽)
- One More NightYEP GIRLS
- 또 오해영 OST - Part.8 (又是吴海英 原声带 - Part.8)김이지 (Kim E-Z)
- 내성적인 보스 OST Part.5 (内向的老板 OST Part.5)김이지 (Kim E-Z)
- 수상한 파트너 OST Part.5 (SBS 수목드라마) (Suspicious Partner) (奇怪的搭档 OST Part.5)김이지 (Kim E-Z)
- 몽슈슈 글로벌 하우스 OST Part.2 (延南洞全球公寓 OST Part.2)김이지 (Kim E-Z)
- 트라이 OST Part.4 (TRY：我们成为奇迹 OST Part.4)김이지 (Kim E-Z)
- 친애하는 판사님께 OST Part.2 (致亲爱的法官大人 OST Part.2)김이지 (Kim E-Z)
- 멈추고 싶은 순간 : 어바웃타임 OST Part.1 (想停止的瞬间：About Time OST Part.1)김이지 (Kim E-Z)
- Oh Woman Oh Man (Remix) - EPLondon Grammar (伦敦语法乐队)
- 멜로홀릭 OST Part.5 (Melo Holic OST Part.5)김이지 (Kim E-Z)
- Oh Woman Oh ManLondon Grammar (伦敦语法乐队)
- 안단테 OST Part.6 (Andante OST PART6)김이지 (Kim E-Z)
- 맨홀 OST Part.6 (MANHOLE OST Part.6)김이지 (Kim E-Z)
- Olympia 1967Nana Mouskouri (娜娜)
- One WaySelwyn
- Occupate My MindJacob Tillberg
- Ophélia (Live)Nolwenn Leroy (诺文·列雷)
- Oh Woman Oh Man (Michael Stein of S U R V I V E Remix)London Grammar (伦敦语法乐队)
- O2Jam OST (오투잼 OST) - Don't Tell MaMa뷰티풀데이 (BeautifulDay)
- O2Jam OST (오투잼 OST) - 꿈속의 신부 (O2Jam - Dream Bride (Original Television Soundtrack))뷰티풀데이 (BeautifulDay)
- Only Love (只有爱)조수미 (赵秀美)
- OPERA LOVE조수미 (赵秀美)
- Orff : Carmina Burana DE-ACTIVATED (- Apex)조수미 (赵秀美)
- Other SongsJoySide
- Orff: Carmina Burana조수미 (赵秀美)
- One Foot in the BluesZZ Top
- 마에스트라 OST Part.3 (Maestra (Original Television Soundtrack) Pt. 3) (大指挥家: 弦上的真相 OST Part.3)조수미 (赵秀美)
- Offenes BuchSilbermond (银月亮)
- 민들레야 (커튼콜 OST Part.2) (Dandelion (CURTAIN CALL OST Part.2))조수미 (赵秀美)
- Oh My God (Sleepnet X Sevdaliza Remix)Sevdaliza
- Oh My GodSevdaliza
- 시지프스 OST Part.2 (西西弗斯 OST Part.2)조수미 (赵秀美)
- 瓯柑园在温州李建科
- Only Bach - Cantatas For Soprano, Violin & Guitar조수미 (赵秀美)
- Out Of Touch (Explicit)Dove Cameron (德芙·卡梅隆)
- ONEEXILE ATSUSHI (佐藤笃志)
- On the Go (四处奔走)WSTRN
- One More Night (feat. Wretch 32, WSTRN & Kamille) [Explicit]WSTRN
- Other Boys (Guz Remix)Dove Cameron (德芙·卡梅隆)
- Other Boys (San Pacho Remix)Dove Cameron (德芙·卡梅隆)
- Other BoysDove Cameron (德芙·卡梅隆)
- One Step More and You DieMono
- Once Upon a TimeSimple Minds (简单意见)
