Overture from the operetta "Ein tolles Mädl" ("Mlle Mischief") Overture from the operetta "Ein tolles Mädl" ("Mlle Mischief") Main opus "Ein tolles Mädl" ("Mlle Mischief"), vaudeville operetta in a prologue and 2 acts, libretto by Wilhelm Sterk based on Kurt Kraatz and Heinrich Stobitzer