In a heartwarming throwback video, Merle Haggard performs his classic hit "Mama Tried" for his mother during a concert.

Every friendship has its funny feuds and comedic confrontations. That being so, Merle Haggard and Alan Jackson experienced these as well and it all took place over a delectable slice of lemon pie.

Then there are artists like Jeannie C. Reilly, who recorded a version of Merle Haggard’s "Fightin' Side of Me," this nationalistic song condemning anti-war demonstrations. It’s got this ...