Johnny Cash sings 'Ring of Fire', 'Frankie and Johnny', 'Sing it Pretty', 'Sue', 'Johnny Yuma', 'As Long as the Grass Shall Grow', 'Ballad of Ira Hayes'. Ed Ames sings 'The Windmills of Your Mind'. Johnny and Ed duet on 'Love of the Common People'. Joni Mitchell sings 'The Gallery'. Johnny & Joni duet on 'The Long Black Veil'. The Monkees perform 'Nine Times Blue'. Johnny and the Monkees duet on 'Everybody Loves a Nut'. Roy Clark performs the 'Twelfth Street Rag'. The Carter Family & Statler Brothers perform 'Lead Me, Father'.