PROBS Credit 1. C@LL Lyrics by 부현석 Composed by NIJUYEEL Arranged by NIJUYEEL Chorus by Rakon, hunnid, 부현석 Piano by NIJUYEEL Synthesizer by NIJUYEEL Drum by by NIJUYEEL 2. PROBS Lyrics by 부현석 Composed by SLO (슬로), MOLO Arranged by SLO (슬로), MOLO Synthesizer by SLO, MOLO Drum by by SLO, MOLO Organ by SLO, MOLO Mixed and Mastered by KOREANGROOVE @koreangroove art direction & design. INVSBL @cpu_invsbl Published by C.P.U