Johnny Cash sings "Country Boy", "Five Feet High and Rising", "The Prisoner's Song", "Peace in the Valley" and "Daddy Sang Bass". Glen Campbell sings "Sweet Country Girl". Marty Robbins sings "El Paso", "Running Gun" and "Big Iron". Nancy Ames sings "Tulsa Country". Johnny & Glen Campbell duet on "Papa Played the Dobro" & "Orange Blossom Special".