Glyndebourne has unveiled its fall 2023 slate. Here is a rundown of the opera and vocal performances. First up is “L’Elisir d’amore.” The opera wills tar Mariam Battistelli, Filipe Manu, Theodore Platt, and Tiziano Bracci. Adam Hickox conducts the production, which will be directed by Annabel Arden. Performance Dates: Nov. 11 – Dec. 1, 2023 Also on the slate is “Don {…}