Moscow city. Landscapes of the city. Rain. Fireworks (evening shooting). Conservatory building. Monument to P.I.Tchaikovsky. Meeting dedicated to the opening of the Song Festival. Speakers: M. I. Rodionov, T. N. Khrennikov. Consolidated choir performs "Song of Lenin" (synchronously). Alexander V. Sveshnikov conducts. Performances of amateur and professional choirs at various concert venues in the city (synchronously), including the choirs of the Bolshoi Theater, the Moscow Operetta Theater, the choir conducted by V.G. Sokolov. Soloist of the Bolshoi Theater A.P. Ognivtsev performs the song "Dubinushka" (synchronously). Soviet square. Green theater of the park. The audience on the streets of the city, in Gorky Park.