Wow! Looks great and very inspiring. Great idea to make separate components that can be connected - something like a drum machine, sequencer, maybe even a chord synthesizer? It can be constrained such that you are always diatonic, you could have a mode knob too.
Jamming with other people can be a life changing experience, and to do that as a child would be a great privilege to have.
Jamming with other people can be a life changing experience, and to do that as a child would be a great privilege to have.