UPDATED: The summer's 21-date traveling festival will include appearances by special guests Justin Timberlake, Frank Ocean and Trey Songz.
Yahoo! made a big announcement at South by Southwest's Interactive portion in Austin, saying it would be getting deeper into the trendy live-music business by rolling out a massive international touring festival.
The 21-date Yahoo! on the Road jaunt will feature a variety of bands, comedians, actors and surprise guests, including fun. The Lumineers, Macklemore & Ryan Lewis, Kendrick Lamar, Imagine Dragons, Owl City, J.Cole and more. Jay-Z, Justin Timberlake, Frank Ocean and Trey Songz will appear during the trek's final stop at the Yahoo! Wireless Festival on July 12-14 in London.