Dad rock enthusiasts are in for a treat with a double bill featuring Peter Frampton and the Doobie Brothers headlining Champions Square this summer. The pair meets at 7 p.m. Sunday, July 20. Tickets are $25 general admission, and $39.50-$75 for reserved seating. Tickets go on sale 10 a.m. Monday, May 19. Get 'em via Ticketmaster.