지환 (2BIC) – My Only One
Track 01 from Single "Calendar Of 2BIC (August)"
Release Date: 2018.08.21
지환 (2BIC) – 꽉 안아줄래
Track 01 from Single "꽉 안아줄래"
Release Date: 2015.03.24
지환 (2BIC) – Palace
Track 01 from Single "Palace"
Release Date: 2021.12.23
지환 (2BIC), 이범학 – 가슴아파도 (남극신사 펭귄맨 & 탈출성공 빠삐용)
Track 01 from Single "복면가왕 35회"
Release Date: 2015.11.29