To my ears the PA2XPRO was the only one that played the harmonica solo track good enough so that I didn't think there was so much lousy pitch bend information being played wrong as I heard on the Auyda and the Tyros3. Actually, I thought the Audya was the worst. I didn't like the drum tom tom sounds as the intro ending and it added the drums. The Tyros and the Korg I thought sounded better.
I thought the Piano sound on the Korg was clearly better than the other two.
I would rate them
1-Korg
2-Yamaha
3-Audya

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George Kaye
Kaye's Music Scene
Reseda, California
818-881-5566
www.kayesmusicscene.com