If you want a taster, you can watch them playing "Duality" from their 2004 ... a note saying “we are the future of music”. Twenty-one years later and Slipknot are stronger than ever.

It’s gotta be enough to drive a dude mad, right? …and, oh yeah, there’s this one, where he “covers” Slipknot’s “Duality.” By which I mean Astley mimes playing the song on guitar while the studio ...