Following Stalin's death in 1953, during the period now known as the Thaw, Nikita Khrushchev opened up greater freedoms in cultural and intellectual life. A broad group of intellectuals and artists in Soviet Russia were able to take advantage of this, and in no realm of the arts was this perhaps more true than in music. Students at Soviet conservatories were at last able to use various channels--many of questionable legality--to acquire and hear music that had previously been forbidden, and visiting performers and composers brought young Soviets new sounds and new compositions. In the 1960s,...