Good vocal health and voice production are stressed.

Siegmund on Saturday was the work of thoroughgoing vocal health.

The general vocal health of Saturday's cast helped.

They were professionals, occupying opera stages for the years that vocal health allotted them.

Tom Harris shares his top tips for keeping your singing voice healthy in our brand-new guide to vocal health.

Staps later said that Rossetti's vocal health was "part of the reason we decided to have it instrumental originally".

I worry about her vocal health down the road.

In her day Ms. Peters set an admirably high standard for vocal health and personal conditioning.

His bad vocal health was announced after intermission, but he soldiered on quite well.

Ms. Dessay says she has now regained her vocal health.