Following its win for “Best Musical Film” at the Cannes World Film Festival, John Aylward’s one-act opera film “Oblivion” will be performed and screened internationally this fall. First, Enigma Chamber Opera will present a live workshop performance of “Oblivion” at the Goethe-Institut Boston on Nov. 6. This event will feature live vocal performances alongside projected film excerpts, offering audiences a {…}