itch.io

Yes, it should be fine to use the visualizer, just know that credit for that goes to bikibird.

And the best current video tutorial for custom instruments that I know of is this one by Gruber.

Very nice! I agree it fits the vibe better for your project. I realize others might like to use it without the beat, so I actually updated the music project to include a version without a beat while also keeping the bass part in tact. Feel free to use that if you like!

Absolutely!

Thanks for the feedback! The p8 file should be there now.