Amadeus, Lo and Behold, A Horse Walks Into A Bar, Paul Nash, The Moonstone

There's a revival of Peter Shaffer's play Amadeus at London's National Theatre. It's the story of Mozart's supposed rivalry with fellow composer Salieri and it has a live orchestra on stage accompanying and acting in the play Werner Herzog's latest film Lo and Behold considers the history and future, the successes and failures of the world wide web Israeli author David Grossman's novel A Horse Walks Into A Bar is a story about an edgy stand-up comedian who's playing strange confessional games with his audience Tate Britain has an exhibition of the work of Paul Nash, from his times as a war artist in both world wars and his surrealist paintings to his less well known assemblages The BBC's new period drama has been in the planning stages for a long time; The Moonstone is based on Wilkie Collins' novel, acknowledged as the first and greatest of English Detective novels. Tom Sutcliffe's guests are Abigail Morris, Rajan Datar and Maev Kennedy. The producer is Oliver Jones.