Pierre Boulez conducts the BBC Symphony Orchestra and Chorus in a special concert from the Barbican, as part of the composer's 80th birthday celebrations.The programme contains two compositions by Debussy; Jeux and Trois ballades de Villon, as well as Daphnis et Chloé by Ravel, featuring soprano Elizabeth Atherton as soloist.Presenter Charles Hazlewood interviews Boulez and discusses the concert with guest Sir Peter Maxwell Davies.