Producer: YB - Producer: Jinkyu Kim - Recording Arranger: YB - Recording Arranger: Jinkyu Kim - Horn Arranger: Hyoseok Jang - Recording Engineer: Wooje Choi - Mixer: Junsung Jo - Assistant Mixer: Jayoen Choi - Vocals: Yoon Do Hyun - Bass: Taehee Park - Drums: Jinwon Kim - Guitar: Joon Heo - Guitar: Scott Hellowell - Saxophone: Hyoseok Jang - French Horn: Seungyong Son - Trombone: Jaemoon Choi - Tenor Saxophone: Hyunwoo Joo - Trumpet: Junekyu Park - Flugelhorn: Junekyu Park - Tuba: Youngchan Seo - Bass Trombone: Youngchan Seo - Mastering Engineer: Frank Arkwright