Opera Philadelphia is now streaming “Composing the Future,” a documentary that takes a deep dive into the organization’s Composer-in-Residence Program. The documentary brings together eight composers who participated in the program since its inception in 2011; these composers include Lembit Beecher, Courtney Bryan, David Hertzberg, David T. Little, Missy Mazzoli, Andrew Norman, Rene Orth, and Tyshawn Sorey. Over the course of 90 minutes, these composers speak about their {…}