We've reached an incredible new era of covers and mashups. We've seen Meshuggah's "Bleed" with all the snare drum parts replaced by farts,  Metallica's "Atlas Rise" covered onyl with James Hetfield's laughs and Megadeth's Symphony of Destruction covered with Mustaine laughs. Today, Youtube user Lars Von Retriever is back with a new cover, this one focusing on Metallica's "The Four Horsemen," or perhaps it's Megadeth's "Mechanix." Either way, James and Dave split laugh-vocal duties on this one and I couldn't help but crack a smile here.
[via MetalSucks]