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MM6 - Yamaha MM6 - Audiofanzine
Yamaha DX21 Synthesizer Keyboard 61 Key With Case Pro Audio Equipment USED | eBay
File:Yamaha PSR1500.jpg - Wikimedia Commons
Yamaha MX61 61 Key Portable Synthesizer - Blue Yamaha Portable Keyboards Over 1000 Sounds from the MOTIF SeriesThe MX series contains more than 1000 Voices derived directly from the world famous Yamaha