Overview: Natasha Raskin Sharp hosts a music special from the Britannia Panopticon Theatre in Glasgow, where she looks back at some musical buys from past episodes. She also drops in on some of the show's favourite experts and auctioneers. Christina Trevanion is paid a visit by gramophone guru Tim Weeks, and Anita Manning catches up with plucky auctioneer pal Charles Hanson to learn more about singer and entertainer George Formby.