Operatic mezzo-sopranos

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

Artist Data: Ariel Bybee was born 1943-01-09. Ariel Died: 2000-soprano-….

Artist Data: Wikipedia: https://en.wikipedia.org/wiki/Dorothy_Byrne_(mezzo-soprano)

Artist Data: Wikipedia: https://en.wikipedia.org/wiki/Maria_Maksakova,_Sr.

Artist Data: Blanche Marchesi was born 1863-04-04. Blanche Died: 1940-12-15….

Artist Data: Annette Markert was born 2011-07-. Annette Died: 2010-accessdate-25….

Artist Data: Libuše Márová was born 2012-06-20. Libuše Died: 2448-sopranos-52….