Slayer Play First-Ever Rock in Rio Gig at 2013 Festival [Watch]
Believe it or not, but Slayer had never actually played a Rock in Rio festival gig until last night (Sept. 22). On the same bill as Iron Maiden and Avenged Sevenfold, Slayer pummeled the Brazilian crowd with some pure American thrash, and here you can watch footage from the band's Rock in Rio 2013 set.