Thank you for answering that, sincerely. You've knocked somebody's white whale out today, which is one of the most selfless things you can do. In doing so, you've probably freed up minutes or even hours of their thought for years to come.

Wow, either that was it, or one of its precursors by a different company, Beat 2000 (I found a review on Future Beat 3D that mentions it): https://archive.org/details/beat-2000

I've been looking for it for quite a long time now, thanks!