‘구피 (Goopy)’ [Downs] YOUTH! . . [Credit] 1. What's next Lyrics by Goopy Composed by Goopy, sister Arranged by sister Produced & mixed by sister, SQUAR Mastered by masterkey77_821sound Piano by 이호신 2. Downs (Feat. SOLE) Lyrics by Goopy, SOLE Composed by Goopy, SOLE, SOQI Arranged by SOQI Produced & mixed by SOQI, SQUAR Mastered by masterkey77_821sound Guitar by 정재훈 A&R Directed by 이성용 Cover art work by @tezodonlee