Marie Powers . Operatic contraltos

Artist Data:
Wikipedia: https://en.wikipedia.org/wiki/Marie_Powers
Artist Data:
Wikipedia: https://en.wikipedia.org/wiki/Marie_Powers
Artist Data: Wikipedia: https://en.wikipedia.org/wiki/Jacqueline_Royer
Artist Data: Wikipedia: https://en.wikipedia.org/wiki/Hilary_Summers
Artist Data: Maria Olszewska was born 1892-08-12. Maria Died: 1969-05-17….
Artist Data: Margarita Gonzalez Ontiveros was born 1927-09-01. Margarita Died:…
Artist Data: Margarethe Arndt-Ober was born 1925-05-11. Margarethe Died: 1938-11-24….
Artist Data: Sigrid Onégin was born 1889-06-01. Sigrid Died: 1943-06-16….