[Trance] Time Warp (mptm/ogg)

[Saga Musix]

But in the 90s (maybe earlier) the delayed compression achieved by side-chaining the bass over everything else became popular in the Euro sound

I'd rather say it became popular in the late 90s to early 00s. Daft Punk's "Discovery" was probably (one of the) the first mainstream albums to feature this greatly overdone effect.

[Rakib]

First time I heard of it was after Benny Benassi- Satisfaction. But it is a easy way of mixing since the instruments can be more alone for them self.