John Mellencamp and his band will be playing Cheyenne WY's Frontier Days on Friday, July 18th! Tickets go on sale this Friday, February 28, 2014 - Ticket Details. We will be offering pre-sale tickets Thursday, February 26th at 12pm ET/10am MT for registered Mellencamp.com members - Learn More. This show will be part of a short run of shows John will perform this summer. Stay tuned for more concert announcements.