BOL4

- Some
- Red Diary Page.1 - EP · 2017
- To My Youth
- Red Diary Page.1 - EP · 2017
- Dream
- HWARANG, Pt. 3 (Music from the Original TV Series) - Single · 2016
- Travel
- Red Diary, Page. 2 - EP · 2018
- Galaxy
- Full Album RED PLANET · 2016
- RED PLANET (Hidden Track) - 좋다고 말해
- RED PLANET (Hidden Track) - 좋다고 말해 - Single · 2016
- You(=I)
- Full Album RED PLANET · 2016
- Let There Be Light (feat. BOL4)
- 4444 · 2024
- Blue
- Red Diary Page.1 - EP · 2017
- Love Letter
- START-UP (Original Television Soundtrack) Pt. 12 - Single · 2020

Loosing Heart (Veiled Musician X BOL4 with Yeouido-dong Three Star) - Single

Loosing Heart (Veiled Musician X BOL4 with Yeouido-dong Three Star) - Single

2026
Bloom - Single

Bloom - Single

2024
Lips (feat. GISELLE) - Single

Lips (feat. GISELLE) - Single

2024
Psycho, Loveholic [THE SEASONS: Red Carpet with Lee Hyo Ri] - EP

Psycho, Loveholic [THE SEASONS: Red Carpet with Lee Hyo Ri] - EP

2024
Merry Go Round - EP

Merry Go Round - EP

2023
Someday (feat. Ha Hyun Sang) - Single

Someday (feat. Ha Hyun Sang) - Single

2023
Love.zip - EP

Love.zip - EP

2023

Hurry Up (feat. BOL4) - Single

Hurry Up (feat. BOL4) - Single

소희
Lost Without You (feat. Bolbbalgan4) - Single

Lost Without You (feat. Bolbbalgan4) - Single

Mad Clown
상남자의 고백 (feat. BOL4) - Single

상남자의 고백 (feat. BOL4) - Single

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