Denisov was born in 1929 in Tomsk, Siberia, into the family of a radio physicist.  In his childhood he learned to play guitar and mandolin, and in 1946 began his studies simultaneously at the Tomsk Musical College (where he studied piano) and the Department of Mathematics and Physics of Tomsk University.  Similarly to Gubaidulina’s, his early compositions received encouragement from D. Shostakovich.  After he graduated from the Moscow Conservatory in 1956, he worked there as a teacher.  However,