Lenny Henry, Joan Bakewell, Foghorn Requiem and the Kate Greenaway prize winner

With John Wilson.Lenny Henry returns to the stage after a succesful run playing Othello. He now stars in the Pulitzer prize-winning play Fences by American playwright August Wilson. Lenny Henry discusses the importance of the play and the challenge of memorising his lines in a role where he's rarely off the stage.The winner of the CILIP Kate Greenaway Medal for children's book illustration is announced today. Previous winners include Raymond Briggs, Shirley Hughes, Lauren Child and Quentin Blake. John talks to this year's winner.The foghorn is a disappearing sound from the British coastline - increasingly made redundant by the advances of GPS technology. Now an ambitious project is using GPS technology in the service of a Foghorn Requiem. Composed by Orlando Gough, the requiem features three brass bands, a flotilla of vessels positioned offshore, and the Souter Lighthouse Foghorn itself. Composer Orlando Gough and artist Lise Autogena discuss a one-off musical performance that aims to fuse the sounds from land and sea.In tonight's Cultural Exchange, Joan Bakewell discusses her choice - Luchino Visconti's sumptuous 1963 film adaptation of di Lampedusa's novel The Leopard.