Operation: Mindcrime was a progressive metal band that was fronted by the former lead singer of Queensrÿche, Geoff Tate. It is named after Queensrÿche's 1988 album of the same name. Various musicians have contributed to the band, both live and in studio and it features members such as John Moyer and Simon Wright. The group signed a worldwide deal in December 2014 with Frontiers Music Srl for its coming releases. Their debut album, The Key, which is part one of a trilogy, was released in 2015. The second, Resurrection, was released in 2016, and the third and final album of the trilogy, The New Reality, was released in 2017.

Queensrÿche is an American heavy metal band. It formed in 1982 in Bellevue, Washington, out of the local band the Mob. The band has released 16 studio albums, one EP, and several DVDs, and continues to tour and record. The original lineup consisted of guitarists Michael Wilton and Chris DeGarmo, drummer Scott Rockenfield, bassist Eddie Jackson, and lead vocalist Geoff Tate.