When the ‘Big Four’ – Metallica, Slayer, Megadeth and Anthrax – shared a stage together on 22nd June 2010 in Sofia, Bulgaria, the show was beamed live into over 550…

In GLOBAL METAL, directors Scot McFadyen and Sam Dunn set out to discover how the West’s most maligned musical genre – heavy metal – has impacted the world’s cultures beyond…