Justin Oh – Jekyll & Hyde (ft. Hyolyn) [Original Mix] Justin Oh releases his newest single, "Jekyll & Hyde" featuring K-pop singer Hyolyn of Sistar. Related Posts: Haywyre adds ‘Wisdom’ to Lost In Dreams Manila Killa, Jai Wolf, Malaa, Slow Magic, and more land on Petit Biscuit’s ‘Parachute’ remix LP