Cheyenne Frontier Days has announced the completion of the 2012 Frontier Nights lineup with Merle Haggard along with special guest Chancey Williams and the Younger Brothers Band on Sunday, July 22.

Merle Haggard is one of the most celebrated country singers of all time, having written hundreds of songs including the classics "Sing Me Back Home," "Okie From Muskogee," "Silver Wings" and "Today I Started Loving You Again," among others. Through his career, Haggard has released more than 65 abums, four of which have been certified gold.

Haggard holds the record for most CMA award nominations than any other male country entertainer with 42 nominations. He has won Male Vocalist and Entertainer of the Year honors from the CMA and the ACM.

Chancey Williams and the Younger Brothers Band are a Wyoming band that began with the purpose of playing a few songs at their high school talent show. The band quickly grew to play for small fairs, weddings and rodeos soon they were opening for their hero Chris Ledoux at the Montana State Fair. In 2011, they released their second studio album, "Honky Tonk Road."

With over 170 live performances per year, the band has shared the stage with such acts as Lady Antebelum, Miranda Lambert, Craig Morgan, Rodney Atkins, Phil Vassar, Chris Cagle, Stoney Larue and Robert Earl Keen.

Tickets will go on sale at the CFD Ticket Office on Friday, January 20 at 9:00 a.m.