Petroc Trelawny with music and arts news, including a review of "Sur Incises", the new work by Pierre Boulez which was premiered last night at the Edinburgh Festival. Music includes Schumann's Kinderscenen performed by Martha Argerich (piano) at 6.10; Kodaly's Dances of Galanta performed by the London Philharmonic, conductor Georg Solti, at 7.15; and Bernard Herrmann's Prelude to Alfred Hitchcock's film Vertigo played by the Los Angeles Philharmonic, conductor Esa-Pekka Salonen, at 8.00.