though I have since understood Hi-NRG to be a related, though somewhat different, more commercial sound--stuff like Expose, Taylor Dane's "Tell It To My Heart," Suzi Q and a bunch of other European stuff.

But yeah... it was all in the same bag and I remember it being the predominant sound of the day. Even some R&B groups took stabs at it, like Atlantic Starr's "One Lover at a Time: http://youtu.be/oLZl43oLUKs