Question: The Threepenny Opera (Die Dreigroschenoper ) is a "play with music" by Bertolt Brecht and Elisabeth Hauptmann, adapted from which of John Gay's English ballad opera in three acts, written in 1728?
Sentence (from "The Beggar's Opera"): Ballad operas were satiric musical plays that used some of the conventions of opera, but without recitative.
Relevant evidence: No