Have Korg done something similar to Yamaha and allowed for protected style formats then? Opening a 'style store' to style creators, without copy protection is of no more use than whatever marketing opportunities style creators already have. If the style can be copied and emailed to another user, that's 90% of the revenue GONE. Whether Korg handle the transaction or the creator does it himself...
And if Korg want to send me a PA3, I'll beta test the bejeezus out of it for them! They aren't getting it back, mind you...
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An arranger is just a tool. What matters is what you build with it..!