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学习简谱音程的视频练耳必不可少，C大调音阶，四度音程练习
这个视频主要分享简谱视唱练耳，C大调音阶四度音程练习
零基础学音乐40/51
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这个视频主要分享简谱视唱练耳，C大调音阶四度音程练习
App04:59App02:53App02:41App06:05App04:08App03:15App02:14App04:15App02:15App01:56App06:27App02:54App01:28
