Two outstanding castsāincluding sopranos Nadine Sierra, Anita Hartig, Susanna Phillips, and Hanna-Elisabeth Müller; mezzo-sopranos GaĆ«lle Arquez and Marianne Crebassa; baritone Mariusz Kwiecien; and bass-baritones Luca Pisaroni and Adam Plachetkaācome together for Mozartās scintillating class comedy. Antonello Manacorda and Cornelius Meister