Plot: The St Petersburg Philharmonic, despite its new name, is Russia's oldest orchestra. In tonight's concert Yuri Temirkanov conducts it in Berlioz's tempestuous overture The Corsair, inspired by Byron's pirate, followed by Sibelius's Violin Concerto in D minor, in which the soloist is the brilliant Maxim Vengerov , making his Proms debut nine days after his 18th birthday