Qiulin Zhang . Operatic contraltos

Artist Data: Clara Butt was born 1872-02-01. Clara Died: 1936-01-23….

Artist Data: Margarethe Arndt-Ober was born 1925-05-11. Margarethe Died: 1938-11-24….

Artist Data: Ruby Helder was born 1890-03-03. Ruby Died: 1938-11-21….

Artist Data: Wikipedia: https://en.wikipedia.org/wiki/Giuseppina_Brambilla

Artist Data: Wikipedia: https://en.wikipedia.org/wiki/Alice_Cucini