Bertha Schwarz

Bertha Schwarz, often known by her stage name Bianca Bianchi, was a coloratura soprano opera singer of the late 19th century.. Her greatest successes were at Vienna. Bertha Schwarz was born in Heidelberg, Germany, on 27 January 1855, the daughter of actors who worked at nearby Mannheim. As an opera singer, she was for many years a prominent member...
Found on http://en.wikipedia.org/wiki/Bertha_Schwarz
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