And he says once he's recorded enough tracks, he'll release the collection as an album - and reveals Testament's Chuck Billy and Sanctuary's Warrel Dane are on board.

He tells MetalHead Radio: "Every few months I release a single that features a different singer. The first was with Todd and I did one with a new band Untimely Demise that aren't really well known, but I really dug the singer Matt Cuthbertson. It's called Walls Of Blood.

"The third single is with Henning Basse from Metalium. There's one song that's being worked on that Chuck Billy has. I talked to Warrel Dane and I'm gonna get him to do one."