The deal was made as part of his settlement with Queensryche which was penned last year. A six-minute trailer for The Key has been released and it features snippets from some of the tracks. The album is the first in a trilogy of records that Tate began work on in 2014.

He said: "I tried to reduce the story and eventually got it down to 37 ideas that needed representing. I knew one record wouldn't cover it, and that it would have to be a trilogy."

Operation: Mindcrime features disturbed bassist John Moyer, former Dio drummer Simon Wright, keyboard player Randy Gane and guitarists Kelly Gray and Scott Moughton. Brian Tichy also drums for the band and Megadeth's David Ellefson appears on the album as a guest. Watch the trailer - here.

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