This clip is an hour long, so get some popcorn beforehand.
I feel sorry for Muddy for several reasons here. One because he looks so tired– this was taped in the late 70s, near the end of his life– and two, because WTTW (the Chicago Public Television station which presented “Soundstage”) felt that they had to weaken the musician pool and augment his usual band with Caucasian d-listers like Jim Gravenites and Dr. John to attract an audience:
http://www.youtube.com/watch?feature=player_embedded&v=jmUhqUwmX9Q#!