Faith No More and Soundgarden also lined up for the touring event in 2015
Frontman talks about creation of metal band's latest album as 'The Negative One' video is revealed
The band have also announced plans for a new album
All four bands are known for disguising their faces on stage
Doctor Daniel Baldi was also acquitted of six other counts of involuntary manslaughter
Gray's doctor is on trial accused of irresponsibly prescribing Xanax to the late bassist
The track will feature on a new Dio covers album
Roast will be hosted by Sebastian Bach with members of Slipknot and Anthrax involved
Frontman Corey Taylor says, 'It's going to be everything you want in a Slipknot album'
Guitarist Jim Root shares recording shot with fans
The drummer left the group at the end of 2013
"There's a lot of things going on behind the scenes that people don't know about" the frontman said
Band confirm "personal reasons" are behind exit of founder member
Shawn 'Clown' Crahan will helm movie about Los Angeles police officer
Heavy metal frontman says equipment worth $36,000 (£24,000) was stolen from his Iowa home
Bullet For My Valentine, Converge and Korn also brave a soggy Donington Park
Festival organiser Andy Copping says that Slipknot's headline set is going to be 'very spectacular'
Corey Taylor planning a 'Boogie Knight Rises' dance album
Frontman wants to perform YouTube hit 'Psychosocial Baby' in real life
Taylor says his track with the Foo Fighters frontman is "old school"