The fun-loving Jake Shimabukuro, described by Rolling Stone magazine as one of the best axmen in the world even though he doesn’t play guitar, has already been labeled a “ukulele hero” by the media. And now he’s labeled himself a nerd in this viral video that has the artist strumming out TV and movie theme songs on the instrument he helped to make popular again. Shimabukuro returns to Ravinia Aug. 1 to open for Lyle Lovett.