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鍵盤の持つ機能, C1 - b1 – Yamaha Portatone PSR-540 User Manual

Page 29

鍵盤の持つ機能, C1 - b1 | Yamaha Portatone PSR-540 User Manual | Page 29 / 160 鍵盤の持つ機能, C1 - b1 | Yamaha Portatone PSR-540 User Manual | Page 29 / 160