To be sure, other acts are live-streaming their audio and video via the web.

FORBES: DIY Live-Streaming: The Future Of Concerts?

MLB.com offers fans the most complete baseball information and interactivity on the web, including up-to-date statistics, game previews and summaries, extensive historical information, online ticket sales, baseball merchandise, authenticated memorabilia and collectibles, fantasy games, live full-game video streaming and in-progress and on-demand highlights, live and archived audio broadcasts of every game, Gameday pitch-by-pitch application, around-the-clock hosted and specialty video programming, complete blogging capabilities and the award-winning suite of At Bat mobile applications.

ENGADGET: MLB stamps partnership with Qualcomm, hopes it leads to improved connectivity at ballparks