Excuse me - there is a hole in your spine!
Edosan sent me this great link about X-Ray records:
In the USSR and Eastern Europe in the 1950s underground night spots would play music pirated from the west. The only media they had were recorders etched into discarded X-ray film.
The human spirit can be pretty inventive when it’s about pleasure and getting forbidden stuff. No matter if it’s teenagers or anti-communists.