In the 1950's she also worked as a choral conductor for the New York City Opera and the American Opera Society.

He notably co-founded and served as the Music Director and principal conductor of the American Opera Society from 1950-1960.

The Bulgarian Opera Society was established in 1908 and staged its first test performance.

She also worked as a choral conductor for the New York City Opera and the American Opera Society.

Also in St. Petersburg on 27 October 1893 the opera was presented by artists of the Russian Opera Society.

Soon, Díaz was singing alongside other artists at the American Opera Society.

Meanwhile, from 1899 until 1904 the company existed without Mamontov, and changed its name to "Private Opera Society" (Tovarishchestvo chastnoi opery).

The first was given in 1892 by the Russian Opera Society, conducted by Iosif Pribik.

In 1966 she made her first appearances with the Montreal Opera and the American Opera Society.

The Moscow Premiere was given at the Private Opera Society, the scenic designer being Mikhail Vrubel.