On this week's edition of "The Juke Joint" broadcast Robert Barclay played tunes about automobiles (Fords, Cadillacs, a Mercury and a Mercedes Benz) along with songs about road trips on Highway 61 and Route 66! Along with the artists in this photo, he also played tunes by Maria Muldaur, Rory Block, Rosco Gordon, Frank Frost and Jerry Lee Lewis.