Video of modded version of Music 2000 for the Playstation 1 using the Music 2002 riff and sample library:
Wadtool:
-This tool is for reverse-engineering Music 2000, specifically the data (such as the sounds), so that eventually it can be replaced easily. It's still under development but it's progressing nicely.
@Yuki is working on it. :)
https://github.com/juju2143/wadtool
There's also a Music 2000 Discord server with a room about modding the software: https://discord.gg/VxyufYhGWx