You may know Malcolm McCormick better as Mac Miller, the rising rap star from Pittsburgh, Pennsylvania, who's presently Down Under as part of the Big Day Out tour. The man himself jumped straight from the stage to the Music Feeds interview chair to talk to us about the crazy energy of his festival shows, trying new stuff on stage for the first time and all about the most Australian thing he's ever done (hint: the answer does not involve Vegemite but might be a little NSFW).