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Disturbed is an American heavy metal band from Chicago, Illinois, formed in 1994. The band includes vocalist David Draiman, bassist John Moyer, guitarist/keyboardist Dan Donegan, and drummer Mike Wengren. Former band members are vocalist Erich Awalt and bassist Steve Kmak. The band has released six studio albums, five of which have consecutively debuted at number one on the Billboard 200.

Disturbed's third studio album, Ten Thousand Fists, was released on September 20, 2005. The album debuted at number-one on the Billboard 200, while also selling around 238,000 copies in the week following its release. The album was certified platinum, shipping 1,000,000 units, in the United States on January 5, 2006. The band toured with 10 Years and Ill Nino in support of the album. Disturbed headlined Ozzfest 2006 along with System of a Down, Lacuna Coil, DragonForce, Avenged Sevenfold, and Hatebreed.  In an interview with Launch Radio Networks, Disturbed vocalist David Draiman stated that twenty songs were recorded for the album, but only fourteen made it to the final track listing. The remaining songs included "Hell", which was included in one of the two "Stricken" singles; "Monster", which was included as an iTunes pre-order bonus for Ten Thousand Fists, then later included on the Ten Thousand Fists Tour Edition; "Two Worlds", which was also included on the Tour Edition of Ten Thousand Fists; and "Sickened", which was included in the "Land of Confusion" single. Ten Thousand Fists is the first album released by Disturbed to feature guitar solos. The band stated that they felt that guitar solos are a part of music that is absent in a lot of modern music, and they wanted to bring some of that back. Songs like "Stricken", "Overburdened", and "Land of Confusion" all feature guitar solos, as well as many others.  In 2006, a European tour was scheduled but had been moved twice due to Draiman having troubles with severe acid reflux, which affected his voice. as related by Draiman himself. Later that year, Draiman underwent surgery for a deviated septum which affected his voice. It was successful, and ever since then, Draiman has limited his drinking on the road. In late 2006, Disturbed headlined another one of their own tours named Music as a Weapon III; the bands Flyleaf, Stone Sour, and Nonpoint toured with them. Disturbed completed the first leg of their Music as a Weapon III tour in late 2006. Soon after, Draiman stated that there was not going to be a second leg to the tour and that instead the band was going off the road to start working on their fourth studio album.
Disturbed (band)