For its 40th edition, the region\'s largest annual arts gathering will feature more than 200 performances and events in 50 venues over 45 days, while showcasing the work of 54 performing groups from overseas and Hong Kong. Among them will be the Bavarian State Opera presenting Mozart\'s comic opera Così Fan Tutte, Nigel Kennedy, Karita Mattila, Charlie Haden, The Hamburg Ballet and the Lyon Opera Ballet.