One fascinating point is the sudden collapse of disco in the summer of 1979. This may be related: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Disco_Demolition_Night" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Disco_Demolition_Night</a>