Lim Seul Ong

- Nitpicking (with Lim Seul Ong) [feat. Lim Seul Ong]
- Nitpicking - Single · 2010
- Seperation in the daytime
- Seperation in the daytime - Single · 2022
- Always In My Heart
- Always In My Heart - Single · 2016
- Finding Differences
- Uncontrollably Fond (Original Television Soundtrack), Vol. 1 · 2016
- Good Start 2015 (From "UNPRETTY RAPSTAR Track 2")
- Good Start 2015 (From "UNPRETTY RAPSTAR Track 2") - Single · 2015
- On the Way To Love
- On the Way To Love - Single · 2016
- Let the star shine us again
- EXchange3, Pt. 7 (Original Soundtrack) - Single · 2024
- Korean Levels (with Seulong from 2AM)
- Dibujando cosas realistas · 2013
- You (feat. Beenzino)
- You (feat. Beenzino) - EP · 2017
- Hello & Goodbye (feat. Lim Seul Ong)
- Lullaby - EP · 2021

Fearless - Single

Fearless - Single

2025
Rainbow Light - EP

Rainbow Light - EP

2025
Be there - Single

Be there - Single

2025
EXchange3, Pt. 7 (Original Soundtrack) - Single

EXchange3, Pt. 7 (Original Soundtrack) - Single

2024
Watcha Original <DOUBLE TROUBLE> > EPISODE.5 History – ‘Again & Again’ - Single

Watcha Original <DOUBLE TROUBLE> > EPISODE.5 History – ‘Again & Again’ - Single

2022
Watcha Original <DOUBLE TROUBLE> EPISODE.4 LEGEND DUET – 'Just the way we love' - Single

Watcha Original <DOUBLE TROUBLE> EPISODE.4 LEGEND DUET – 'Just the way we love' - Single

2022
Seperation in the daytime - Single

Seperation in the daytime - Single

2022