What Testament’s frenetic vocalist has learned from Native American healers, Bay Area aggression and robots

CENTURY MEDIA Scotland’s goat-worshipping speed metal prodigy shows his trve colours

Zakk Wylde’s Southern metal standard-bearers revel in their freedom

Richmond’s groove metal firebrands rediscover the law of expanding returns

Thrash metal founding fathers’ patchy farewell album.

As frontman with Mayhem, Tormentor, Sunn O))) and more, Attila Csihar has been the enigma at the heart of extreme metal for 40 years – and he’s seen the best and worst of it