Andy Rehfeldt is a viral parody master. His YouTube channel features dozens of hilarious mash-ups; the finest of which, in our opinion, being the metallization of pop tunes... Abba, Lady Gaga, Taylor Swift... no one is safe. Not even soul jazz legend Louis Armstrong:
And, Rehfeldt's parody goes both ways. Check out a "Radio Disney" verson of Cannibal Corpse's "Hammer Smashed Face" below.