With its red façade, white entrance, and red-and-gold auditorium, Bari’s Teatro Petruzzelli is an architectural jewel. Under Riccardo Muti, the Berliner Philharmoniker present a mixed programme of Italian and German music: Rossini’s “William Tell” Overture and Verdi’s “Sicilian Vespers” ballet music exude Italianità, while Brahms’ Second Symphony showcases late German Romanticism.