Each Week, American Routes bring you Shortcuts, a sneak peak at our upcoming show. Johnnie Allan is a Swamp Pop legend, born John Allen Guillot, a sharecropper’s son. His mother and grandfather were musicians who played with family member Joe Falcon, on the first Cajun record in 1928. At 13, Johnnie Allan formed a Cajun Band. Later, he joined accordionist Lawrence Walker’s band on steel guitar.