Petrov wrote music for ballets "The Station Keeper", "Pushkin. Reflections on the Poet" and the opera-extravaganza "Mayakovsky Begins".

And the opera "Peter the Great" He was a major amateur Pushkinist - not like Lotman, he academically, but in spirit and in the inner involvement of Pushkin's poetry. Petrov is recorded in our genetic code - the best fate and the most faithful confirmation of the composer's nationality.