The recordings of Marche Slave and Romeo And Juliet were electronically reprocessed to simulate stereophonic sound.

Compositions by Tchaikovsky, Borodin, Glinka, Prokofiev, Rimsky-Korsakov, Ippolitov-Ivanov, Rachmaninoff, Stravinsky, Mussorgsky, Gliere, Khachaturian, and Liadov.