That same month, Draiman had undergone surgery to remove a damaged valve that was causing acid to spill on his vocal cords. The successful surgery not only repaired Draiman's voice but also allegedly broadened his vocal range.Wiederhorn, Jon (2003). Disturbed - Naked on a Platter . MTV. Retrieved February 26, 2011.
that same month draiman had undergone surgery to remove a damaged valve that was causing acid to spill on his vocal cords the successful surgery not only repaired draiman's voice but also allegedly broadened his vocal rangewiederhorn jon (2003) disturbed - naked on a platter  mtv retrieved february 26 2011