The use of reverse audio in mainstream music really took off in the mid to late 1960s. However, to find the roots of this development we have to go back a bit further and consider a couple of significant changes.
The first of these was the arrival of magnetic recording tape. This new medium and accompanying reel-to-reel machines revolutionised audio recording, and first found widespread use in broadcast and audio production in the 1940s and 1950s.
