Slacker

Subscription-based and free Internet radio services like Pandora and Spotify accounted for 23 percent of average weekly music listening time among U.S. consumers between the ages of 13 and 35 during the fourth quarter of 2012, up from 17 percent in the year-ago period thanks to increasing mobile engagement, according to a new NPD Group report.

Sprint Nextel is rolling out Entertain ME, which bundles music and video services including the operator's own video and music services alongside a series of third-party music applications including Spotify, Slacker, iHeartRadio, Shazam and Rumpus.

Digital radio solutions provider Slacker is expanding its streaming lineup with the addition of live ESPN sports programming, beginning tonight with coverage of college football's BCS Championship

Facebook is reportedly poised to unveil a new social-themed music service during its f8 developer conference, kicking off in San Francisco on Sept. 22. Citing sources familiar with Facebook's plans,