The fourth annual Hangout Music Fest is set to turn the sandy sunscapes of Gulf Shores, Alabama, into a throbbing, pulsating, beachside blowout of classic R&B, indie rock superstars, dubstep drops, and hip-hop heavyweights — including at least five SPIN magazine/iPad cover stars! Here are 15 reasons to get your Frankie Avalon on. CHRISTOPHER R. WEINGARTEN AND JORDAN SARGENT
