Grizzly – 불면증 곡 소개 "군대에서 갑작스럽게 불면증이 와서 잠을 자도 자지 않은 것 같은 상황 속을 떠올리며 쓴 곡." [CREDIT] Executive Produced by 이정윤, 고은호 @EGO Composed by Grizzly, U-Turn Lyric by Grizzly, U-Turn Arranged by U-Turn Recorded by CRACKER Mixed by Stay Tuned Mastered by 권남우 @JFS Studio Artwork by Lafic.