I was trying to figure out where edm fits in to that but yeah, it was mainstream by the 90s. Started in the 70s, by the 80s there were defined raves for edm. But its hard to look at rave culture/edm as a whole since its so old and widespread. UK edm was different than US edm which was different than Latin American edm etc. Then all the divides within edm. House ravers didn’t want to go to hard style raves. Hard style ravers didn’t want to go to trance raves, etc.