Chord/melody－用左手演奏和弦，用右手演奏旋律, Chord/melody – Yamaha DGX-630 User Manual

Page 46

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Chord/melody－用左手演奏和弦，用右手演奏旋律, Chord/melody | Yamaha DGX-630 User Manual | Page 46 / 154 Chord/melody－用左手演奏和弦，用右手演奏旋律, Chord/melody | Yamaha DGX-630 User Manual | Page 46 / 154
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