The Glimmerglass adapts: Festival performances to begin Thursday, July 15, with Mozart’s ‘The Magic Flute’ The Glimmerglass Festival, home to the summer opera and other theater, will open Thursday, July 15 with “The Magic Flute” by Mozart. The festival will have outdoor performances on a specially built stage, in order to accommodate COVID-19 restrictions. Francesca Zambello, Festival artistic and general director said in a me dia release that the theater “reimagined” the Glimmerglass experience in order to safely showcase their…