Before this business venture, Alfred, as a bass singer, had done some professional singing.

This was the beginning of his professional singing.

Noorie started professional singing at an early age when she was only 9 years old.

He began his career as a teacher of German, French and history before turning to professional singing.

A throat condition forced his retirement from professional singing in 1951.

Beginning in the 1950s professional singing groups were formed.

This is fine, professional singing with an effect as light as air.

She then was invited to move to Baku to pursue a degree in professional singing.

She gave up professional singing in the 1960s.

She retired after 42 years of professional singing in 1992, and now runs an unrelated business with her husband Richard.