하루하루 - martin (lee mujin service)

deja vu - martin (lee mujin service)

Drowning. Unfinished

MARTIN, Lee Mujin - 난춘(亂春) (NAN CHUN) (Original Song by 새소년 (SE SO NEON)) (LEE MUJIN SERVICE)

[COVER] I didn’t know yet (Lee Juck) - MARTIN (CORTIS)

thinking out loud - martin (lee mujin service)

난춘 (亂春) - Martin(cortis), 이무진 cover

[COVER] ATM (J. Cole) - SEONGHYEON (CORTIS)

lullaby - martin (lee mujin service)

[COVER] Love on my heart (내 마음에 비친 내 모습) - KEONHO (CORTIS) [Original song by Yoo Jaeha]

CORTIS SEONGHYEON / 성현 - 잊어버리지마