The event will feature more than 160 acts on eight stages, and that includes tons of local acts as well as big names like Willie Nelson, Snoop Dogg, Flaming Lips, Morris Day and the Time, The Avett Brothers, Primus and Erykah Badu.
It kicked off Saturday and continues Sunday at Eleanor Tinsley Park along Buffalo Bayou from 11am to 10pm. You do have to buy a two-day pass. Children under five are free.
For the full schedule and how to purchase a pass, visit FreePressSummerFest.com.