Disturbed is an American heavy metal band from Chicago, formed in 1994. The band includes vocalist David Draiman, guitarist/keyboardist Dan Donegan, bassist John Moyer and drummer Mike Wengren. They have had very few lineup changes, with Donegan and Wengren being the only two remaining original members. Former band members are vocalist Erich Awalt and bassist Steve Kmak. The band has released seven studio albums, five of which have consecutively debuted at number one on the Billboard 200. Disturbed went into hiatus in October 2011, during which the band's members focused on various side projects, and returned in June 2015, releasing their first album in four years, Immortalized, on August 21, 2015. They also recorded and released one live album, Disturbed: Live at Red Rocks on November 18, 2016, which was recorded on August 18, 2016, at Red Rocks Amphitheatre in Morrison, Colorado, located about 10 miles west of Denver, Colorado. Their seventh studio album, Evolution, was released on October 19, 2018.