St Petersburg Union of Composers Veniamin Yefimovich Basner, V.A. Gavrilin, L.A. Desyatnikov, A.A. Kneifel, A.N. Kolker, S.M. Slonimsky, B.I. Tishchenko, V.A. Uspensky, G.I. Ustvolskaya, Y.A. Falik, I.I. Schwarz and A.B.Zatin became members of the Leningrad Department of the Union of Composers. These composers and musicians played an outstanding role in the musical life of the city in the last third of the 20th century. Since 1964, the St. Petersburg Musical Spring festival has been held annually. Since 1989, the Children's Musical Festival has been organised which includes children's competitions: the Bruk and Taymanov memorial Competition of Piano Duets, Brother and Sister, and the Gavrilin Competition
20th-century music had earlier been called race music, and country music. See also rock musical and rock opera. 20th-century music During the 20th century there was a huge increase in the variety of music that people had access to. Prior to the invention of mass market gramophone records (developed in 1892) and radio broadcasting (first commercially done ca. 1919–20), people mainly listened to music at live Classical music concerts or musical theatre shows, which were too expensive for many lower-income people; on early phonograph players (a technology invented in 1877 which was not mass-marketed until the mid-1890s); or by individuals performing music