Don't know if this will help, but on the MIDI options screen is an option for "Note Off". You might want to give it a try to see if it helps. This is from the user manual:

Quote:
Send Extra Note Offs:
Leave this option to “No” unless you are having trouble with “Stuck Notes” when you press [Stop]. If you set this option to “Yes” the program will send a “global sweep” of all notes off in addition to the selected notes off that are playing when you press the [Stop] button.




John

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