As music fans across the world mourn the loss of Merle Haggard, here's a look back at several of his legendary concerts in Wyoming.

Haggard first graced the stage at Cheyenne Frontier Days in 1979.

He came back to the Cowboy State thirty years later, performing at the Cheyenne Civic Center and Casper Events Center on Feb. 10 and 11, 2009.

Mighty Merle returned to CFD on July 22, 2012, performing a career spanning set including "Pancho and Lefty", "I Think I'll Just Stay Here and Drink", "Mama Tried", "The Bottle Let Me Down", "Okie From Muskogie" and "Working Man Blues".