‘HEIDEN (헤이든)’ [KO Remix (Feat. 유명한아이)] KNOCKOUT [CREDITS] “KO Remix (Feat. 유명한아이)” Lyrics by HEIDEN (헤이든), 유명한아이 Composed by HEIDEN (헤이든), 유명한아이, Grabby Mixed & Mastered by CiaNo Executive Producer HEIDEN (헤이든)