Well, I did it. This is the first thing I've ever made with OpenMPT, and my first time trying mod*k. Hopefully this turned out alright.
Ended up with 3995 bytes, didn't realize the cap was 4096, not 4000. Oh well.
If you prefer to watch a playback for whatever reason, you can find one here: https://youtu.be/uj6upf8O2w8