其它 巧记五线谱 写美篇 高音谱表五线 egbdf, 四间 face 低音谱表
前面我们讨论的都是c调音阶,它由9个音符组成,从c开始,全部对应的是
羽生结弦的花滑 连细节都是美丽的 手控党福利77
what is bass clef notes?
bassclefforbeginners短评
Tips:Do Not Provide
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