The Archers which affect farmers nationwide when livestock movements are restricted. Many famous people have made cameo appearances on the programme: The theme tune of "The Archers" is called "Barwick Green" and is a maypole dance from the suite "My Native Heath", written in 1924 by the Yorkshire composer Arthur Wood. The Sunday omnibus broadcast of "The Archers" starts with a more rustic, accordion-arranged rendition by The Yetties. The theme for BBC Radio 4 Extra's "The Archers" spinoff, "Ambridge Extra", is a version arranged by Bellowhead. A library music recording of Barwick Green was used for the pilot and during the early
PM (BBC Radio 4) being the first radio news programme to feature its own theme tune. Three have been used, with the last ending in 1997 in the aftermath of the death of Princess Diana. The First "PM" theme tune was by John Baker and the BBC Radiophonic Workshop. The second was produced by Dudley Simpson, with the final used between 1993 and 1997 was by George Fenton. Notable presenters after William Hardcastle included Steve Race, Brian Widlake, Robert Williams, Chris Lowe, Joan Bakewell, Susannah Simons, Rachael Heyhoe Flint and Valerie Singleton (a former Blue Peter presenter — in pre-interview chats, junior ministers "inevitably"