Stefan:
I played the patch you mentioned in patch mode and in performance mode, and got the same effects.

I know patch previews often have effects which plain voice patches don't have, but I couldn't verify your observation with my setup. I'm using a JV-1010 and Noteworthy Composer on a PC as a sequencer, so that's close to yours.

As for your second question - I've never gotten SoundDiver to do anything for me, so I'm no help there . . .
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"The problem with the world is that the ignorant are cock-sure, whereas the intelligent are full of doubt." - Bertrand Russell