"Franz Betz (19 March 1835 – 11 August 1900) was a German bass-baritone opera singer who sang at the Berlin State Opera from 1859 to 1897. ...
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He was particularly known for his performances in operas by Richard Wagner and created the role of Hans Sachs in Die Meistersinger von Nürnberg." - (en.wikipedia.org 25.12.2020)
