63 Munich Bavarian State Opera: Opera for all since 1997 Berlin Staatsoper Unter den Linden: State Opera for all since 2007 London London Symphony Orchestra: BMW CLASSICS since 2012 Melbourne Opera Australia: BMW Opera for All since 2024 The free open-air concerts are visited by tens of thousands of people worldwide each year. The events bring classical music and opera from the concert hall onto the street, offering barrier-free access.