J.B. Lenoir, Buddy Guy, Mississippi Fred McDowell, Big Mama Thornton et al: Fairfield Hall, Croydon

WHEN EIGHT blues artistes leap about a stage, blowing harmonicas, thumping drums and piano, playing guitars and singing and shouting their song, it is impossible to stay still. The whole audience at Croydon's immense Fairfield Hall was shouting and calling for "more" long after the show had ended.