TomPetty.com is pleased to announce that Tom Petty & the Heartbreakers, along with very special guest Steve Winwood, will perform at Milwaukee's legendary Summerfest at the Marcus Amphitheater, Saturday, July 5. Public tickets go on sale Saturday, February 9 at 10 AM. The Highway Companions Club members only ticket presale will be on Wednesday, February 6 and Thursday, February 7. Watch the TOUR PAGE for further updates.