What exactly is heavy metal music? How deep do its roots go?Long established as an undeniable force in culture, metal traces its roots back to leather-clad iron men like Black Sabbath and Judas Priest, who imbued their music with a...

'Heavy opens an ornate portal into a murky subculture, illuminating the marginalia as well as the big beasts' Sunday Times Long established as an undeniable force in culture, metal traces its roots back to leather-clad iron men like...