Question: Are "La serva padrona" and "Der Wildschütz" both operas?
Sentence (from "La serva padrona"): La serva padrona (The Servant Turned Mistress) is an opera buffa by Giovanni Battista Pergolesi (1710 – 1736) to a libretto by Gennaro Antonio Federico, after the play by Jacopo Angello Nelli.
Relevant evidence: No