"Sonja Kehler (2 February 1933 – 18 January 2016) was a German actress and chanson singer, known internationally for her interpretation of works by Bertolt Brecht, first playing his characters on the theatre stage, then focused on singing his songs and those of others in solo programs. She also taught acting in Danish at the theatre academy in Odense, appeared in films, worked as stage director and presented literary programs." - (en.wikipedia.org 01.02.2020)
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