As late as in 2000 it was still common to refer to electronic music to what this article uses the term for, and what you refer to as “dance music” instead.
See this great compilation (with a lovely booklet that’s more of a mini book) for example: https://en.wikipedia.org/wiki/Ohm:_The_Early_Gurus_of_Electr...
I got lots of late-night listening pleasure out of that one, except for the first theremin track; I just found that one unbearable…
I have this set, bought it in a museum near Legoland San Diego.
They had a great collection of early synths. Can’t remember the name.