"Amalie Marie Joachim (née Schneeweiss; 10 May 1839 – 3 February 1899) was an Austrian-German contralto, working in opera and concert and as voice teacher. She was the wife of the violinist Joseph Joachim, and a friend of Clara Schumann and Johannes Brahms, with whom she made international tours." - (en.wikipedia.org 28.06.2021)
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