Interesting concept Achim.

I downloaded and tried the trial version and it does generate some interesting Voices. One thing it doesn't seem to generate well is Bass voices. Of the several selections I tried none of the Bass voices seemed acceptable to me. I was also hoping for better acoustic Piano sounds but I didn't find the 'outstanding' you mentioned. You know, something better than the Live! Grand Piano, etc. Some of the Organ sounds were very nice though.
Oops! gotta go..... I will post a follow up when I have more time.
Best regards,
Mike
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Yamaha Genos, Mackie HR824 MKII Studio Monitors, Mackie 1202 VLZ Pro Mixer (made in USA), Cakewalk Sonar Platinum, Shure SM58 vocal mic.