Metal takes itself very seriously, indeed. But, to its credit, it also knows how to laugh at itself: long and loud, like a DragonForce solo. No matter how many bullets in the belt or how tight the spandex, how long the hair or how patched the denim vest, metalheads retain the unique ability to be grimmer than a Finnish winter yet, at the same time, have their tongues jammed so far in their cheeks that it’s a wonder they aren’t poking out their ears. Take, as case in point, Adam Wakeman (Ozzy Osbourne’s keyboardist) and his alter ego, Milton Keanes, the mastermind behind Jazz Sabbath: supposedly the progenitors and original composers of so many of the hits that a certain unnamed Birmingham-based outfit “stole” in the 1970s… Coupled with a number of massive (and probably easily avoided) erro...