Diki,
I didn't encounter a problem with 7ths, 9ths or diminished chords. #9 may have something to do with the keyboard's midi setup. Should know in a couple days.
Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)