1. Bubbling Under: Cherry Cherry Boom Boom Switches Roles

    August 03, 2012 9:20 AM EDT Each Friday, Chart Beat presents "Bubbling Under," a weekly look at new and noteworthy acts making their way toward Billboard chart success. Up this week: Cherry Cherry Boom Boom, Josh Tatum, Chrystal Rucker and Mitchelle'l Cherry Cherry Boom Boom After years of Billboard chart…