The 31st Annual Harmony Festival will return to the Sonoma County Fairgrounds in Santa Rosa, CA on June 12-14. The festival, which pledges to offer ‘new ideas, community activism, eco-awareness, spiritual wisdom, visionary art, and uplifting music’ offers a range of participants. On the musical side, Michael Franti & Spearhead, India.Arie, CAKE, Matisyahu, Sierra Leone’s Refugee All Stars, Steve Kimock Crazy Engine, Balkan Beat Box, Shpongle, DJ Gaudia and Wassabi Collective all are scheduled to perform. In addition, speakers include: Caroline Casey, Starhawk, Daniel Pinchbeck, David Wolfe, Jennifer Gray and many others. Early Bird event tickets are now on sale.