1. Bubbling Under: Twenty One Pilots Take Flight, Jake Miller's 'Lives' Begins

    January 04, 2013 1:05 PM EST Each Friday, Billboard presents "Bubbling Under," a weekly look at new and noteworthy acts making their way toward Billboard chart success. Up this week: Twenty One Pilots, Jake Miller, Charlie Worsham, RaVaughn. Twenty One Pilots After scoring breakout success with fun. over the…

  2. 'Baby Bieber' YouTube Star Austin Mahone Signs to Universal Republic

    August 28, 2012 9:44 PM EDT Austin Mahone, the teen YouTube star profiled in the June 15 issue of The Hollywood Reporter, has signed with Universal Republic Records, home to Owl City , Florence + The Machine , the late Amy Winehouse and Dev . The 16-year-old tweeted a photo of the big moment in which he is pictured…