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Biography
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Johann Christoph Grünbaum
Real name: Johann Christoph Grünbaum
Johann Christoph Grünbaum, also Johann Christoff Grünbaum was a Bohemian opera singer, vocal pedagogue and translator of Italian and French librettos.(October 28, 1785 in Haslau, Kingdom of Bohemia - January 10, 1870 in Berlin, Prussia)