Onetime rivals for R&B supremacy, the two blues greats hit the road together in the Seventies, where they soon discovered how well their styles complemented one another while bantering with expert comic timing. "Nothing is planned tonight," King announces early in this hour-long set, and whether or not that was true there's a spontaneous but never sloppy spark. It's instructive and exciting to hear King's guitar supporting another vocalist, particularly a master such as Bland.