近日，雅马哈编曲键盘全新一代产品PSR-SX920 / SX720推出。为了让中国用户深度了解这些编曲键盘新品的独特音乐魅力,雅马哈乐器音响(中国)投资有限公司在西安、秦皇岛与荆门三地举办了新品 ...
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