American heavy metal artists Disturbed are a hard-hitting, multi-platinum-selling band based out of Chicago and formed in 1994. With the unexpected breakthrough of their single “Down With the Sickness,” Disturbed suddenly became one of the biggest names in the American nu-metal scene, and they have continued to enjoy widespread popularity ever since. The band includes vocalist David Draiman, guitarist/keyboardist Dan Donegan, bassist John Moyer, and drummer Mike Wengren.