During her 25 year career as an opera singer, she sang in leading opera houses in both Europe and North America.

Her father, Dan Iordachescu, was a baritone who sang professionally in opera houses throughout Europe.

Baird began her career as a mezzo soprano and sang in German opera houses.

From 1951 until her final retirement, Olivero sang in opera houses around the world.

He went on to sing in various European and Italian opera houses.

He has sung in leading opera houses in the United States and Europe.

A number of Canadian singers who learned their craft in Canadian opera companies went on to sing in major international opera houses.

She is considered one of the world's leading dramatic sopranos, having sung in major opera houses around the world.

Over the years, Mariette Kemmer has sung in virtually all the grand concert halls and opera houses of Europe.

Like many dramatic tenors, he began his career as a baritone and sang for several years in German opera houses.