Blue Bishops were superb, sounding very much like the desperately missed Rory Gallagher and his band. Here's a snippet of them playing Hoochy Coochy Man (1.19mb) by Muddy Waters. They were superb.
If your bandwidth [and ours -Ed] can stand it, by the power of wireless telegraphy we even have this moving picture presentation:
The Willesden Herald - first with the blues