Rossini’s rarity set in ancient Babylon, Semiramide, which has not been seen at the Met in 25 years, will be conducted by Maurizio Benini and feature Angela Meade in the title role, with Elizabeth DeShong as Arsace, Javier Camarena as Idreno, Ildar Abdrazakov as Assur, and Ryan Speedo Green as Oroe.