They seemed like a professional chorus, so easily did their voices blend.

They organized and created the Ambrosian Singers as a small professional chorus in 1951.

And it bridges a generation gap - the adults in this professional chorus take these kids seriously.

It comprises a symphony orchestra, professional chorus, and various chamber groups.

"The song was sung by a professional chorus, with the men's voices vigorously singing "God bless the master of this house .

A professional chorus under the direction of Lawrence Bandfield, it is now in its fifth season.

The other side of the coin offers the smaller, tighter, wholly professional choruses that rise above dilettantism.

Nova Singers, a professional 20-voice chorus, celebrates its 25th anniversary in 2011.

Approximately 60 Edmontonians make up the professional chorus that is part of nearly every opera production.

Choosing to perform on Monday night, the nine-voice professional chorus had the field to itself.