Weekend Preview – USA (7/7-9): Glimmerglass Festival Opens With ‘Porgy and Bess’

The summer continues its torrid pace with a number of major companies showcasing production premieres. The Glimmerglass Festival kicks off its 2017 season on Friday with “Porgy and Bess,” which stars Musa Ngqungwana. The same goes for the Pittsburgh Festival Opera, which debuts that same night with “Sweeney Todd,” which also plays on Sunday. Meanwhile, Des Moines Metro Opera showcases {…}