The San Francisco based Outside Lands Music Festival will return for its third rendition this August 14th and 15th, 2010. (Let us pause while you know mark your calendars). The lineup won’t be announced until June 1st, but if you’re convinced enough by some of the early rumors (Kings of Leon, Al Green, Rodrigo y Gabriela), you can invest in “Early Beaver” tickets when they go on sale tomorrow, May 7th, for $115.00.

As usual, you can keep track of all the latest OSL news and rumors over at our Festival Outlook.