Overview: Johnny Cash sings 'I Guess Things Happen That Way', 'Loading Coal', 'Dark as a Dungeon', 'Cocaine Blues', 'Blistered', 'Ballad of a Teenaged Queen' and 'You Beat All I Ever Saw'. Johnny & Buffy Sainte-Marie duet on 'Custer'. Johnny & Doug McClure duet on 'Cowboy Buckaroo'. The Cowsills duet with Johnny on 'Children Go Where I Send Thee'. Johnny & June Carter Cash perform 'Keep On the Sunnyside'. The Carter Family & Statler Brothers perform 'Lead Me Gently Home'.