I grew up
with those bands! ...
Although, to my ear and to my memory, both K&TG and EW&F rather quickly embraced orchestration
that "simple disco" never did.
To my recollection, "disco" was very much about [local ...] clubs.
"You could replicate this in your own chosen side of podunk." In its seminal incarnations, I recall that it was a very driving
musical style, but not a particularly complicated
However, I recognize that my recollections
of the day – having actually (yuck ...) experienced
it – are probably quite different from what you would today find on a revisionist "Google search ..." ...
Y'know, one thing that all of us should also
bear in mind, when we look back, is that technology
... specifically, the utter and complete lack
thereof(!) ... had an enormous part in it. "The music that we heard" was completely unattainable. Musical artists in those days were sometimes paying more than $100,000 to lay their hands on "absolutely innovative" musical devices that would be laughingstock today.