Tom Petty and the Heartbreakers will play the Gorge Amphitheatre on Aug. 15. Tickets will go on sale at 10 a.m. on Saturday, May 31 via LiveNation.com, Ticketmaster.com or by phone at 1-800-945-3000. Tickets cost $45-$127. Petty and the Heartbreakers are touring in support of “Hypnotic Eye,” the band’s first new album in four years. Steve Winwood will open the show.