In the Soviet Union in the 1940s, some clever people realized that X-ray ... But anyone who could obtain a recording device could record music on pieces of X-ray film, and these old films could be ...

Expressing ethnic identity was not exactly encouraged in the Soviet Union. But Aram Khachaturian got away with it.

In the Soviet Union in the 1940s ... But anyone who could obtain a recording device could record music on pieces of X-ray film, and these old films could be obtained after hospitals threw them ...