Country rock stars Travis Tritt, Lonestar, Sawyer Brown and Julian Austin will be coming to Mission this summer for Rockin’ River Music Fest, one of the Fraser Valley’s hottest concerts of the season.Early bird tickets to the two-day show, Aug. 12-13, are now on sale for $79 for general admission, and from $99 to $109 for reserved seats. Ticket prices will increase after March 1.“We’re really pleased with the line-up for this year’s festival,” said organizer Kenny Hess, who will also perform at the show. “These acts are some of country’s best stage performers and they will not disappoint this summer.”Reserved camping goes on sale next month.For more information about Rockin’ River Music Fest tickets, go to www.rockinriver.com, e-mail info@rockinriver.com, or call the Rockin’ River hotline at 604-733-2235.