- Erbol/山K - I Don't know
- 白艺潾/Car,The Garden - 내가 날 모르는 것처럼
- 王诗安 - I Don't Know
- Noni - I Don't Know You
- 尤长靖 - AZORAland
- HAN YO HAN/Don Malik - I DON'T KNOW
- Mariah Carey/YG - I Don't
- Skinshape - I Didn't Know
- Seventeen Club - I Don't Know
- Rosie Thomas/Sufjan Stevens - Say Hello
- 태웅 - idontknow
- Bo Peep - I DON’T KNOW
- Sophie Zelmani - I Don't Know
- 6YXX - IDONOTKNOW
- Shift - I don't know
- Da Real Mac - I Dont Know
- 테라스(teRas) - Idon'tKnow
- 东方神起 - I don’t know
- Huxley/Shenoda - I Don't Know
- Molly Kate Kestner - I Don't Know