BACK Track About sound Dalam Diam play pause Agung Kasyim Syarbawi Vocal twitter Gilang Ad'ha Guitar Sopan Satriyo Guitar Heru Rusdiyanto Bass Tri Agung Hanafi Drum "Emotional" Rock Band based on Jambi City, Indonesia. Contact Email - backdjb@gmail.com Phone - '082373468178 (Riyo) twitter