S.S. Grigiryev A.A. Nesterov and V.Ya. Shebalin.
S.S. Grigiryev A.A. Nesterov and V.Ya. Shebalin (1948) Stepan Stepanovich Grigoryev, composer and musicologist. Teacher of theoretical subjects (since 1948, since 1972 – professor), head of Chair of Theory of Music (1967-1974).