Recorded live for TV broadcast throughout Britain, these historic performances have been unseen for nearly 40 years. Filmed with superb camera work and pristine sound, 14 complete performances and 4 bonus performances are included by Sonny Boy Williamson, Muddy Waters, Lonnie Johnson, Big Joe Williams, Lightnin' Hopkins, Sugar Pie DeSanto, Howlin' Wolf, Big Joe Turner, Junior Wells, and Sister Rosetta Tharpe.