He whistles, plays violin, plays glockenspiel ... and this Bird can sing. Andrew Bird is just another one of those world-class whistling, sometimes glockenspieling former child prodigy violinists-turned-chamber pop stars. Seriously, the dude whistles like Brad Ziegler gets double plays. It's like he's hiding a theremin in his mouth. (Video proof below.) He's an interesting choice for a show the size of Virgin Mobile Festival. His long and winding songs are all about subtlety. On a day that includes performances by Kanye West, the Stooges, Nine Inch Nails, Lil Wayne and Stone Temple Pilots, Bird will certainly stick out. After I saw you last May at the 9:30 club, I swore the next time you were in town it would be at a seated theater. But instead it's at a race track playing before Lil Wayne and Kanye West. How do you prepare for these big shows? It's definitely ...