Plot: In the last visit by celebrities to the BBC Proms at London's Royal Albert Hall, writer and broadcaster Anna Ford introduces highlights of last Thursday's concert commemorating the 150th, 100th and 50th anniversaries of the deaths of Johann Strauss father and son, and Richard Strauss. It's an evening of wine, women and song, with the mood set by waltzes and polkas, as well as Till Eulenspiegel