And while Holt won't rule out taking the position on a permanent basis, he says it'll only happen if he can stay with the band he's been part of since 1980.

"Not if it meant the end of what I've been doing all my life," He tells Metal Titans. "I've been filling in for just over two years now and I'm booked all year with them. But I'm keeping the work going with Exodus – I've been doing a lot of riff-writing on tour.