The thrash giants have endured turmoil in recent years, splitting with original drummer Dave Lombardo for the third and seemingly final time, then dealing with the death of co-founding guitarist Jeff Hanneman.

Speaking from the studio where they're at work on their 11th album, King says: "There's no formula, man. When you think about it, how many people get to do this for 10 years? There are so many who don't. We're lucky enough to be one of the 30-year groups - there's not many of those at all.