… and the great manual has been wired up and continuity-tested.  I don’t mind soldering, but I don’t do it often enough to have developed the necessary asbestos fingers for the job.

I still have to re-wire the 16-way IDC output from the key matrices, to suit the requirements of the MIDI hardware, but that can wait until I actually have the MIDI hardware.  Piston engraving is next.