Hello. Maybe someone had asked this question before me (a quick keyword search didn't show anything). It would be great to have a midi editor inside the game so that you can create midi recordings without interrupting minecraft.

Hello! Apologies for the slow reply and thank you so much for the suggestion! I love the idea!

Making a functional midi editor in-game is something that I'd love to do some day, but right now I unfortunately don't think I have enough free time to tackle that big of a feature. I will definitely leave this open though just in-case I find time to do it some day!

There are some great free MIDI editors out there, including some online ones such as Signal that I really like!