S900 style demos available here:

http://www.yamaha.com/yamahavgn/CDA/List/MediaList/0,,CNTID%25253D559641%252526CTID%25253D205500,00.html
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.