11.   Since then, wherever opera is performed, the array of theatrical styles has exploded exponentially.

12.   Still, if the Ukrainians are not going to perform his operas, who will?

13.   The dream of performing an opera is not dead, he says.

14.   The opera will be performed tonight and at a matinee Saturday at the Music Center in Los Angeles.

15.   The opera is performed in German with Met titles in English.

16.   The roles are double cast, so the opera can be performed daily.

17.   This time most of the singers are Russian, and all but two of them are performing the opera for the first time.

18.   Today, the Opera Theater of St. Louis is one of the few companies in America that perform operas with non-English librettos exclusively in English translation.

19.   We are living through a period of identity crisis about how opera should be performed.

20.   We understand that Wagner operas are being performed in the area then.