I just tried again. I could get MIDI going from MD, via musicIO *to* the PC, but nothing back to MD from the PC, despite everything looking right. Then as soon as I tried to create a new Cantabile song there was a huge crash, requiring a full PC re-boot. TBH I think I'll just give it up. I just don't think I'm going to be able to use my MD panel live - I don't want more hardware, and I can't rely on Wifi. One day I'd love to see a one-cable solution built right there into MD, but I sympathise that it's probably a tough one!