Melody型－用一个手指演奏, Melody – Yamaha DGX-630 User Manual

Page 44

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Melody型－用一个手指演奏, Melody | Yamaha DGX-630 User Manual | Page 44 / 154 Melody型－用一个手指演奏, Melody | Yamaha DGX-630 User Manual | Page 44 / 154
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