Sean Rafferty 's guests include opera critic Rupert Christiansen , author of The Visitors, a new study of some of the remarkable foreigners who travelled to Britain in the 19th century and left influential marks on all aspects of culture - not least on musical life. Music includes at 5.00 Uszt's transcription of Schubert's Auf dem Wasser zu Singen played by Jorge Bolet (piano); at
5.40 Dvorak's Symphonic Variations, Op 78performed by the Bavarian RSO under
Rafael Kubelik ; and at 6.35 Barber's Violin Concerto played by Hilary Hahn with the St Paul CO under Hugh Wolff.