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For so long now I have been listening to disco. It was the first form of music to be made with clubs in mind, DJs would play it and it brought people together.
There have been a few groups set up to sound similar to 60s funk and soul (Sharon Jones & the Dap kings and The New Mastersounds, to name a couple), but none for the 70s as yet.
Anyway, something that lacks from a lot of music nowadays is the money spent. In disco, there would be whole orchestras created for any kind of music to make a rich sounding type of music. Disco was big for this, but there are few people who use a whole orchestra any more.