Ruby Helder (1890-03-03 – 1938-11-21). Operatic contraltos
Artist Data:
Ruby Helder was born 1890-03-03.
Ruby Died: 1938-11-21.
Wikipedia: https://en.wikipedia.org/wiki/Ruby_Helder
Artist Data:
Ruby Helder was born 1890-03-03.
Ruby Died: 1938-11-21.
Wikipedia: https://en.wikipedia.org/wiki/Ruby_Helder
Artist Data: Wikipedia: https://en.wikipedia.org/wiki/Maria_Caterina_Negri
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