Gisela Litz (born December 14, 1922) was a German contralto . She sang frequently at the Bayreuth Festival . A recording is available of her singing as one of the Rhinemaidens in Der Ring des Nibelungen conducted by Clemens Krauss in 1953.She sang the part of "Widow Bigbeck" in the recording of the Brecht/Weill opera Rise and Fall of the City of Mahagonny by the Norddeutscher Rundfunk orchestra and chorus.