Laramie, WY – Big and Rich, Gretchan Wilson, Cowboy Troy, Reba McEntire and Trisha Yearwood have been added to the entertainment schedule for this summer's Cheyenne Frontier Days. They join country singer LeAnn Rimes and Tex-Mex rockers Los Lonely Boys at the "Daddy of 'em All," which is scheduled for July 21st through 29th. Contract Acts Chairman Joe Lopez notes this year's concert series features several female performers. McEntire will perform July 21st and 22nd with Yearwood as a special guest, while Rimes and Wilson will perform on separate nights. Lopez is still looking to land acts for the first and final night performances.