Eric - Thanks for the link to these great demos. Yamaha is doing the right thing by creating videos of there product lines. The players make it look so easy that you want to go out and purchase one of the beauties.
This is what's sorely lacking in most music stores. Most times, the keyboard department staff knows little about the rich feature set of these products. You, as a potential customer, are on your own to discover the ins and outs, if possible.
I believe every manufacturer should produce high quality video demonstrations of there keyboards/arrangers. And not just a quick 3 minute example! Have several separate parts showing major features.
This would be especially helpful to those that have no access at all in seeing a new product at local music store.
Mark...
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Yamaha S900 and S80