- One TakeEmily
- 즐거운 나의 집 OST Part.1 (快乐我家 OST Part.1)먼데이 키즈 (Monday Kiz)
- 애간장 OST Part.1먼데이 키즈 (Monday Kiz)
- 너의 밤이 되어줄게 OST Part.5 (成为你的夜晚 OST Part.5)먼데이 키즈 (Monday Kiz)
- 엑소스 히어로즈 OST Part.2 (魅影再临 游戏原声带|EXOS HEROES (Original Game Soundtrack) Pt. 2 - SYNERGY)니콜 (妮可)
- Oorgasm Vol. 08Telepopmusik (电气拍普乐团)
- One More TimeDJ Carpi
- Out of Reason (Mission to Mars 2020 Short Radio)DJ Carpi
- One More Time (Dj Mauro Vay GF 2020 Short Radio)DJ Carpi
- Okaeri絢香 (ayaka)
- OK! GO!絢香 (ayaka)
- One Moment in Time - A Tribute to Whitney HoustonAmeritz Tribute Standards (阿莫瑞兹致敬标准)
- 시그널 OST Part 6 (Signal OST Part 6)리싸 (Leesa)
- 공항 가는 길 OST Part.2 (通往机场的路 OST Part.2)리싸 (Leesa)
- 내 딸, 금사월 OST Part.3리싸 (Leesa)
- 미스마, 복수의 여신 OST Part.2 (SBS 토요드라마)(Mis ma, the goddess of revenge (Original Soundtrack) Part.2) (Ms.Ma，复仇的女神 OST Part.2)리싸 (Leesa)
- 그녀로 말할 것 같으면 OST Part.2 (如果是她的话 OST Part.2)리싸 (Leesa)
- 블랙(Original Television Soundtrack / Pt. 2) (Black OST Part.2)리싸 (Leesa)
- Objection (Tango) [A Tribute to Shakira]Ameritz Tribute Standards (阿莫瑞兹致敬标准)
- Obsession (Earphones Vs Smash!!)Earphones
- Own the NightArea21
- 다섯손가락 OST Part.4글램 (GLAM)
- OasisEric Marienthal (埃里克·马林塔尔)
- One TouchEric Marienthal (埃里克·马林塔尔)
- Over佐藤史果 (Sato Fumika)
- Où je vaisAmel Bent (阿梅尔·本特)
- Original Album ClassicsJourney
- Où je vais (Radio Edit)Amel Bent (阿梅尔·本特)
- On pense à vousAmel Bent (阿梅尔·本特)
- Old FolksChris Botti (克里斯·波提)
- Only the Young (Steve Perry & Bryce Miller Remix)Journey
- Ondanuova 1Eric Marienthal (埃里克·马林塔尔)
- 欧香女郎叶瑷菱
- OntarioNina Nesbitt
- One More ShotEric Andersen
- October RoadJames Taylor (詹姆斯·泰勒)
- One Man BandJames Taylor (詹姆斯·泰勒)
- 두번째 스무살 OST - Part.7 (第二次二十岁 OST - Part.7)잔나비 (Jannabi)
- 디어 마이 프렌즈 OST - Part.2 (Dear My Friends OST - Part.2|我亲爱的朋友们 OST - Part.2)잔나비 (Jannabi)
- 혼술남녀 OST Part 2 (独酒男女 OST Part 2)잔나비 (Jannabi)
- 로맨스는 별책부록 OST Part.1 (罗曼史是别册附录 OST Part.1)잔나비 (Jannabi)
- One Man Dog(2019 Remaster)James Taylor (詹姆斯·泰勒)
- 도포자락 휘날리며 OST (Dopojarak OST)잔나비 (Jannabi)
- Old Pine BoxThey Might Be Giants (明日巨星)
- Original Album ClassicsJames Taylor (詹姆斯·泰勒)
- One Man Dog (2019 Remaster)James Taylor (詹姆斯·泰勒)
- Outside BrainThey Might Be Giants (明日巨星)
- Only You Can Show Me (feat. Mereki) - SingleGoldroom
- 슬플 때 사랑한다 OST Part.2 (Love In Sadness OST Part.2)임도혁 (任度赫)
- On the Road임도혁 (任度赫)
- 강남스캔들 OST Part.3 (江南丑闻 OST Part.3)임도혁 (任度赫)
- Open Your Eyes임도혁 (任度赫)
- 그녀로 말할 것 같으면 OST Part.6 (如果是她的话 OST Part.6)임도혁 (任度赫)
- 의문의 일승 OST Part.1 (疑问的一胜 OST Part.1)임도혁 (任度赫)
- 달의 연인 - 보보경심 려 OST Part 13 (月之恋人-步步惊心 ： 丽 OST Part 13)임도혁 (任度赫)
- 엽기적인 그녀 OST Part.5, 6임도혁 (任度赫)
- One Fine DayKatherine Jenkins (凯瑟琳·詹金斯)
- 쇼핑왕 루이 OST Part.4 (购物王路易 OST Part.4|SHOPAHOLIC LOUIS OST Part.4)선비 (SunBee)
- ONE DAY[Single]엠투엠 (M TO M)
- 사랑한다 말해줘 OST엠투엠 (M TO M)
