Even before its unexpected CEO swap, Pandora was busy charting a new course. Late last year, it acquired the remains of struggling Spotify competitor Rdio, concert ticket seller Ticketfly, and Next Big Sound, a startup that tracks music online and offers detailed analytics to artists and labels. The acquisitions signaled a two-pronged strategy: Turn Pandora into a more comprehensive, Spotify-esque place for listening to music, while also making it a more valuable (and hopefully lucrative) resource for musicians.