Thank you for looking into this, appreciate it. I don't think polarity is the issue. I have the polarity switched to the right settings and everything works fine outside the sequencer. In fact, even when recording individual tracks there doesn't seem to be an issue. But say for instance, I record a non-sustained track on Track 1 and then a superimposed sustained track on Track 2 - as I press on the sustain pedal to record track 2 - track 1 becomes sustained as well and does not maintain its original form. If I play multiple tracks that I recorded, ALL the tracks will respond to the sustain pedal - despite not recording, just directly on playback. Very weird and unfortunately very frustrating when attempting to compose something. Any insight on this?