I’m currently playing around with assigning a couple of voices, polyphonic, MIDI channel 1. Basically holding down the lower note (kind of like a drone or chanter) and using a higher note as melody. I am using stacking and the problem being is if I accidentally play 2 notes higher than the low note it will be stolen. I could kind of get around this by assigning channels 3 and 4 to the same MIDI channel since I have the expander but I I think I am looking for an option where there is no note stealing. Is there a way to solve this or a firmware update possible?