Svetozar Russinov graduated from the State Academy of Music majoring in Clarinet under Professor Sava Dimitrov. From 1974 to the early 1990s he taught Saxophone and Clarinet at the Jazz and Pop Music Department of the State Academy of Music. As saxophonist he was member of the orchestra of the Circus (1954-56) and the Big Band of the Bulgarian National Radio (1963-70) where he performed the solo parts of most of the pieces and songs recorded during the period. In the early 1970s he played in German orchestras. He began composing after he joined the Big Band of the Bulgarian National Radio. His first pop songs (I Love You, performed by Yordanka Hristova and Silver Flocks, performed by Georgi Minchev) impressed by their melodic invention and were performed by the best-known Bulgarian singers, among them Georgi Kordov, Mimi Ivanova, Pasha Hristova and Maria Neykova. An album with selected songs was released in 1984.

In the 1990s he composed mainly church music.

The Golden Orpheus Festival:

Sozopol Lullaby, performed by Georgi Kordov (second prize, 1967).

Prize of Sofia for Music:

Sofia Golden Autumn, performed by the vocal quartet Do, Re, Mi (1968).

The Spring Radio Competition:

Yavorov Spring, performed by Mimi Ivanova, Pasha Hristova and Maria Neykova (first prize, 1970).

Church music:
For mixed choir:

Liturgy; Otche nash (Lord’s Prayer), etc.