You can try and deny it, but you know you've heard LMFAO's "Sexy and I Know It." NOTHING about that song says metal, but leave it to Eric Calderone to shred out a metal-tastic cover of that infectious diddy. Calderone is a pretty impressive guitarist who has made metal versions of the theme for "My Little Pony," "You Make My Dreams" by Hall and Oates, and  "Super Bass" by Nicki Minaj.