11. Loretta Lynn, Conway Twitty, Tompall & The Glaser Brothers

Loretta Lynn sings "They Don't Make 'Em Like My Daddy" on "Hee Haw" and teams with Conway Twitty on "I Still Believe In Waltzes." Buck Owens, Kenny Price and Roy Clark cover "Four Walls," and Tompall & The Glaser Brothers, who perform "Lovin' Her Was Easier (Than Anything I'll Ever Do Again)."