From the time the first "Diddley Bo" appeared on a wooden barnyard wall, countless great sounding blues songs, acoustic and electric, have been written and recorded by many talented artists.These ten legendary songs, among them "Boom Boom," "Little Red Rooster" and "The Thrill is Gone," from fabled musicians like John Lee Hooker, Willie Dixon and B.B.King, provide some of the critical links in the chain of the American blues tradition.