Steve Winwood, Gov’t Mule, and Michael Franti also top initial lineup.
Umphrey’s McGee, Galactic, Ozomatli, & more will provide the soundtrack.
Hangout Festival adds 12 more acts including The Avett Bros., Grace Potter, Mofro, STS9, and Brandi Carlile
Payment plans, warm up concerts, and ticket giveaways too.
REO Speedwagon and horseback riding, too.