‘PIB Project ‘ [PIB Project Vol.3 (이해할께)] PIB Project - 이해할께 (Vocal. KUNI) [Credits] Executive Producer PopinBridge Producer. KUNI Composed by KUNI Written by KUNI Arranged by KUNI Vocal & Chorus by KUNI Guitar by 김한빈 Bass by 박상환 Piano by LoveTom Keyboard by LoveTom Drum by KUNI