(Credit: © Lorraine Wauters) The Mayor of Liège Willy Demeyer has ordered that all theaters in the city immediately shut down due to the rise in COVID-19 cases. As a result, the Opéra Royal de Wallonie-Liège has cancelled its performances of Ambroise Thomas’ “Hamlet.” The opera was slated to open on Oct. 29, 2020, and run until Nov. 10, 2020. {…}