All the other movies are either forgotten--I agree with the reviewer, Rhapsody In Blue does Gershwin no justice, if Alan Alda knew how to act he never shows it here--or period pieces, like Cagney's Blood on the Sun, which was obviously rushed in production and looks it, perhaps in fear that the war would be over before the movie could be released.
And at the "Soviet" concert, they say it's "early Soviet," but Gayane was first performed in 1942--except that it's really Armenian, and based primarily on Armenian folk music and dances, only "Soviet" in the 1945 political sense. I suspect they did not play the Adagio from the third act, which was the background for the opening sequence of the Jupiter voyage in 2001.
That Soviet concert also featured a composition by Dmitrii Kabalevskii, a Communist who embraced "socialist realism," a style that seems to have gone out with the USSR.