價格：免費
更新日期：2019-02-19
檔案大小：3.4M
目前版本：1.0
版本需求：Android 4.1 以上版本
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You might think that playing the accordion requires extensive knowledge of musical notation. But guess what? It actually doesn't. So if you're a beginner, and would like to find out more about how to play the accordion, read on to find out helpful tips.
