"I hear the accordion but unless I'm way off base what I hear was an accordion instrument added to the rt style that he played to, not him playing in his own style and creating a new style independent of rt's, which is what I thought was supposed to happen.
Am I missing something?"
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In the demo he records to a chord progression that I shown at 4:24 in the video.
He shows off using the usertracks on a different chord progression, which is shown at 1:10.

With Usertracks , you record a song or multiple songs over any chord progression that you want. And then save it as a usertracks, and then it works over any chord progression. That is shown in the demo, as outlined above.

Moreover, we include this accordion usertracks in 2014, so you can try it out over any style, any key, any tempo yourself.

Have Fun!
Peter Gannon
PG Music Inc.