Ortrun Wenkel (Contralto)
Born: 25th October 1942, Buttstadt, Germany
Nationality: German
Ortrun Wenkel is a German operatic contralto. She notably portrayed the role of Erda in the Bayreuth Jahrhundertring (Centenary Ring) in 1976 and was awarded a Grammy Award as a Principal Soloist in 1983.
Read more at https://en.wikipedia.org/wiki/Ortrun_Wenkel