Dbo x Choo = ??? iPhone (Feat. Dbo) Lyrics by Choo, Dbo Composed & Arranged by niceshotnick Mixed & Mastered by niceshotnick Recorded at J Walkers Choo's Tracks Co-Directed by Dbo & SangyeonLee Dbo's Tracks Co-directed by SangyeonLee Cover Photo by IM SOO Cover Edit by KWONEE