The Lord Mayor of London , Sir Gilbert Inglefield samples a basin of jellied eels offered by none other than London's most famous vendor of the delectable dish . Aldgates 's Tubby Isaacs at the reception in London to launch EMI 's latest Columbia release " The Sounds and Songs of London " . The LP stars London and Londoners - from the chimes of Big Ben to the Changing of the Guard and Petticoat Lane market to an Oxford Street department store . 1 May 1968