[Credit] 1. Let You Down (Feat. 김세헌) Lyrics by Bellow K (벨로우 케이), 김세헌, TimeFeveR, 진하영 Composed by 최영훈, Bellow K (벨로우 케이), 김세헌, TimeFeveR, 진하영 Arranged by 최영훈 Mix & master by TimeFeveR Recorded by TimeFeveR Directed by TimeFeveR, 김세헌 Artwork by 강현석 (DAVI)