Petroc Trelawny starts a day of celebrations to mark the 300th anniversary of Vivaldi's Four Seasons on Radio 3's award-winning classical breakfast show. Delight in Vivaldi's 'Spring' concerto performed by Theotime Langlois de Swarte in a playlist tailor-made for brightening days and blustery weather. Plus, CountryFile presenter John Craven tells us about one of his favourite British spring birds - the nightingale
