The American Symphony Orchestra will present The Key of Dreams, the New York premiere of Bohuslav Martinů’s opera “Julietta” at Carnegie Hall on Friday, March 22, 2019. This performance will mark the U.S. premiere of the opera’s Czech version, the original libretto written in French. The three-act opera is based on George Neveaux’s French play “Juliette, ou La clé des {…}