이성렬 [Have. Fun. Go. Free]
All songs written & arrangement: Lee Sung Ryul
All guitars: Lee Sung Ryul
Drums: Kang Soo Ho
Bass: Lee Tae Yoon
Trumpet: Kim Sung Min
Trombone: Jang Hyun Young
Saxophone: Jami Soul
Horn section arrangement: Jami Soul
mix&mastering: Yaron Fuchs
recording studio at Nonhyundong studio, Sound solution
recording engineer: Kim Chul Soon, Lim Hong Jin, Ryu Jae Kyeong .... ....