Aren't Yamaha supposed to have something like their IDG for styles for samples in the T3?

Rumor was, because of the internet connection required to load these up, there might be some kind of copy protection or unique identifier...

Have you talked to YamahaUS? Maybe if they have a secure delivery system, they could distribute your content? A piece of the pie is better than no pie at all...
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An arranger is just a tool. What matters is what you build with it..!