I've started a thread on the Busker Organ Forum about my planned project [250126 MMDigest]: https://www.tapatalk.com/groups/buskerorgan/installing-midi-magnets-solenoids-in-an-accordion-t1084.html#p8827 Roger Wiegand added a good photo of how it was done pneumatically on his Arburo cafe dance organ, and I found a webpage on an installation in a semi-traditional parlor reed organ. https://www.icloud.com/photos/#/icloudlinks/036p3_hNEoxvyjZYgw0YiianQ/0/ https://www.instructables.com/MIDI-Controlled-88-Key-Reed-Organ/ Wallace Venable
