He is generally called the father of Polish national opera.

He is generally referred to as the father of Polish national opera.

His songs were used in the first Kazakh national opera.

The work is regarded as one of the finest Polish national operas.

It serves as the national opera and ballet house.

His credits also include various ballet companies and both national and international opera.

Czech national opera until this time had been represented only by a number of minor, rarely performed works.

A reflection of its importance is the status of "national opera" which it has held since 1997.

Gulietta had named her manager of the national opera.

It is part of the canon of Polish national operas.