Hi Mockie,

If you have a computer, there is a software called vArranger especially created for the Ketron SD2/SD4 and Midi Accordeons (midi chanels + bellows)

This will allow you to get an professionnal arranger with your Ketron SD2/SD4
http://www.varranger.fr

Dan
_________________________
Regards,

Dan
https://www.varranger.com