Most of these are intended to be converted into .mf files for use as custom resource packs.
Here is a blog post written from the perspective of a community contributor or enthusiast sharing this file: Scaling Up: The Story Behind TTR_tooBig.zip TTR_tooBig.zip
Be warned: this isn't a "drag and drop" patch for the average player. To use these assets, you'll need to: Most of these are intended to be converted into
High-fidelity versions of the original MIDI soundtracks and unused ambient noise files. TTR_tooBig.zip