Dgx-630的特殊功能, Dgx-630, Performance assistant – Yamaha DGX-630 User Manual

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Dgx-630的特殊功能, Dgx-630, Performance assistant | Yamaha DGX-630 User Manual | Page 8 / 154 Dgx-630的特殊功能, Dgx-630, Performance assistant | Yamaha DGX-630 User Manual | Page 8 / 154
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