"Richard Mayr (18 November 1877, in Henndorf – 1 December 1935, in Vienna) was an Austrian operatic bass-baritone who was particularly admired for his performances in ...
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works by Wolfgang Amadeus Mozart, Richard Wagner and Richard Strauss. He notably created the role of Barak, the Dyer in the world premiere of Strauss´s Die Frau ohne Schatten." - (en.wikipedia.org 12.11.2020)