Overview: The Limeliters: ""Jehosephat,"" ""John Henry,"" ""Hey Li Lee"" Flatt & Scruggs: ""Worried Man Blues,"" ""This Land is Your Land"" (with The Limeliters) Carolyn Hester: unknown Leon Bibb: ""Mule Skinner Blues"" FINALE: ""Mama Don‘t 'low"" (Everyone).