It is generally thought to be the most important British opera of the 20th century.

The last three of them already belong to the 20th century Russian opera.

It was built in 1829, according to the Italian standards of 18th century opera.

To me, film is the opera of the 20th century.

Many musicians think it is the greatest opera of the 19th century.

The earliest Italian popular music was the opera of the 19th century.

It was the first and probably the most popular opera of the seventeenth century.

Giasone was "the single most popular opera of the 17th century".

The new religious element became a stock in trade in opera of the 19th century.

It is one of the most important Russian operas of the 20th century.