the salesman was wrong! In the Yamaha PSRor700 it is missing the country styles, the R & B styles and a lot more. However, what I do in my store is copy all the missing styles from a non oriental model onto a USB drive and give this to my customers so they have all the missing styles. The sounds are all the same with the addition of middle eastern sounds.
The Korg PA500oriental has all the same styles but because so many of the bank buttons contain the arabic styles they grouped the original ones from these banks in with other banks.
I hope this helps


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