Front Row

Jenny Agutter remembers filming The Railway Children when she was 17, as a restored print of the film is released to mark its 40th anniversary. Rufus Wainwright talks about his new album and discusses the recent death of his mother, the folk singer Kate McGarrigle. He also reveals his musical exchanges with his singer-songwriter sister Martha and father Loudon Wainwright. John Wilson meets the sculptor Anish Kapoor who reveals his towering plan for a major new public landmark in the London 2012 Olympic Park.