When was the composer of the ballet Raymonda, director of the Saint Petersburg Conservatory  ?
Raymonda Variations Raymonda Variations is a ballet made by New York City Ballet co-founder and ballet master George Balanchine to excerpts from the first act of Glazunov's "Raymonda" (1895–97). The premiere took place on 7 December 1961 at City Center of Music and Drama, New York, under the title "Valses et Variations". Balanchine and Alexandra Danilova had mounted a full-length production of "Raymonda" for the Ballet Russe de Monte Carlo in 1946.
Alexander Vertinsky Alexander Nikolayevich Vertinsky (Russian: Алекса́ндр Никола́евич Верти́нский , 21 March 1889 in Kiev — 21 May 1957 in Leningrad, Polish: "Aleksander Wertyński" ) was a Russian and Soviet artist, poet, singer, composer, cabaret artist and actor who exerted seminal influence on the Russian tradition of artistic singing.