Two of the most successful and critically-acclaimed bands Chicago and The Doobie Brothers – who have sold more than 150 million records combined – announced today their co-headline North American summer tour kicking off June 7, 2017 in Concord, CA. The 30+ date tour, promoted by Live Nation, will take the Grammy Award-winning and multi-platinum selling groups through amphitheaters in major cities including Los Angeles, Chicago, New York City, Toronto, Las Vegas, Atlanta and Washington, DC for a night of unforgettable live music. The tour includes an Austin performance on Saturday, June 17, 2017 at Austin360 Amphitheater at Circuit of The Americas.