NEW YORK (AP) — Yes, that really is a stratospheric A above high C that Audrey Luna sings the first time we hear her in “The Exterminating Angel.” The American coloratura soprano, one of many stars in ...

Soprano Roberta Peters, 23, was just sitting down in the hairdresser’s shop one morning last week when the phone rang. It was a message from the Metropolitan Opera, warning that she might have to ...