Many of the video mash-ups you find on YouTube are astonishing in their complete and utter ineptitude. They’re usually full of editing glitches, spelling errors and poorly synched sound. In fact, they’re so godawful that you begin to wonder how the people responsible possessed the technical proficiency to even get them online. That’s why it’s so nice, and always surprising, to find something as funny and professional as the clip below. It’s been on YouTube for almost four years now, seamlessly blending groovy sixties beats with zombie carnage from Zach Snyder’s Dawn of the Dead Remake. It’s foot-tapping, zombie burning fun!