Buddy Guy - Mary Had A Little Lamb (SuperSession,London ,March 1969)

                            Feat: Buddy Miles-Jack Bruce- Dick Hestall Smith - Chris Mercer

Supershow was  intended to be Britain's first music super session, with several famous blues, jazz and rock artists of the time coming together to be filmed whilst performing. The project was instigated by the Colour Tel film company, the recent credits of which included The Rolling Stones Rock and Roll Circus and Jimi Hendrix at Royal Albert Hall.
The took place over a two-day period in March 1969 in a disused linoleum factory at Staines, England. Artists who were filmed on 25 March included Led Zeppelin, Buddy Guy, Jack Bruce, Buddy Miles, Dick Heckstall-Smith and Chris Mercer. Those filmed on 26 March included Eric Clapton, Jon Hiseman's Colosseum, Buddy Guy, Roland Kirk and Stephen Stills.  Allegedly Jimi Hendrix was due to appear but missed the plane from New York City.(WikiPedia)