This video career retrospective begins with two pieces filmed for the Library of Congress in 1948 including a rendition of J ohn Henry with Woody Guthrie. Pete Seeger appears as appreciative host to the duo for two songs from his Rainbow Quest. A won derful medley filmed in 1970 of Red River Blues/Crow Jane offers two of the oldest known pieces in the Piedmont blues reperto ire. Sonny's signature harmonica showpiece Whoppin' the blues is heard in a 1973 BBC performance.