Lotte Lenya never forgot the moment when she felt the musical world shift. It was in the rarefied setting of the German Chamber Music Festival, in Baden-Baden in 1927. “Mahagonny Songspiel,” the first collaboration between Lenya’s husband, Kurt Weill, and Bertolt Brecht, had just had . . .
SOURCE: The New Yorker at 12:00AM on October 18, 2013