유쓰!(Youth!) - EP Produced by Han Kim, Son Gun, Song Siwook Published by PAIX PER MIL 01. 위스퍼 (Whisper) Lyrics by Han Kim, Son Gun, Song Siwook Composed by Han Kim, Son Gun, Song Siwook Arranged by Han Kim, Son Gun, Song Siwook Vocals Performed by Han Kim Guitar Performed by Son Gun Mixed by 구종필 at KLANG STUDIO Mastered by 권남우 at 821 Sound Mastering 02. 스쿠터즈 (Scooters) Lyrics by Han Kim, Son Gun, Song Siwook Composed by Han Kim, Son Gun, Song Siwook Arranged by Han Kim, Son Gun, Song Siwook Vocals Performed by Han Kim Guitar Performed by Son Gun Mixed by 구종필 at KLANG STUDIO Mastered by 권남우 at 821 Sound Mastering 03. 유쓰! (Youth!) Lyrics by Han Kim, Son Gun, Song Siwook Composed by Han Kim, Son Gun, Song Siwook Arranged by Han Kim, Son Gun, Song Siwook Vocals Performed by Han Kim Guitar Performed by Son Gun Piano Performed by Doohyeon Kang Mixed by Han Kim Mastered by 권남우 at 821 Sound Mastering 04. 보이후드 (Boyhood) Lyrics by Han Kim, Son Gun, Song Siwook Composed by Han Kim, Son Gun, Song Siwook Arranged by Han Kim, Son Gun, Song Siwook Vocals Performed by Han Kim Guitar Performed by Son Gun Bass Performed by Yeongseo Choi Mixed by Han Kim Mastered by 권남우 at 821 Sound Mastering 05. 디투어 (Detour) Lyrics by Han Kim, Son Gun, Song Siwook Composed by Han Kim, Son Gun, Song Siwook Arranged by Han Kim, Son Gun, Song Siwook Vocals Performed by Han Kim Guitar Performed by Son Gun Piano Performed by Song Siwook Mixed by Han Kim Mastered by 권남우 at 821 Sound Mastering