Queensrÿche ( /ˈkwiːnzraɪk/) is an American progressive heavy metal band formed in 1981 in Bellevue, Washington. The band has released eleven studio albums and several EPs and DVDs and continues to tour and record. The original lineup consisted of vocalist Geoff Tate, guitarist Chris DeGarmo, guitarist Michael Wilton, bassist Eddie Jackson and drummer Scott Rockenfield. Queensrÿche has been successful in the progressive scene, having sold over 20 million albums worldwide including over 6 million albums in the United States. The band received worldwide acclaim after the release of their 1988 album Operation: Mindcrime, which is often considered one of the greatest "concept albums" of all time. Their follow-up release, Empire was also very successful.