Tharanga Goonetilleke . Operatic sopranos

Artist Data: Olga Averino was born 1895-11-15. Olga Died: 1989-01-17….

Artist Data: Mignon Nevada was born 1886-08-14. Mignon Died: 1971-06-25….

Artist Data: Nada Tončić was born 1909-07-30. Nada Died: 1998-03-29….

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

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