Question: Who produce 80 to 90 percent of the text to the opera at which Timothy Meyers has a role of Bertolt Brecht's? 
Sentence (from "The Threepenny Opera"): The Threepenny Opera (Die Dreigroschenoper ) is a "play with music" by Bertolt Brecht and Elisabeth Hauptmann, adapted from John Gay's 18th-century English ballad opera, "The Beggar's Opera", with music by Kurt Weill and insertion ballads by François Villon and Rudyard Kipling.
Relevant evidence: No