Kenny Chesney, George Strait and Taylor Swift have been announced as performers at Cheyenne Frontier Days to be held July 17-26 in Cheyenne, Wyo. Strait will perform on July 18, with Swift on July 23 and Chesney on July 24-25. Other artists on the bill include Rodney Atkins, Jake Owen, Kellie Pickler and Sawyer Brown. A Professional Bull Riders competition will provide the main entertainment on July 20-21. Tickets go on sale Dec. 6.