Lots of N64 games did this, especially the Rare ones — Banjo-Kazooie had a fair bit of music dynamism, Conker's had even more. It's pretty easy to do, and game

Lots of N64 games did this, especially the Rare ones — Banjo-Kazooie had a fair bit of music dynamism, Conker's had even more. It's pretty easy to do, and game devs figured it out pretty early on.