app – 吉他钢琴学习平台 - 弹琴吧：超多的乐谱和教学课程 Review

This app provides a rich amount of songs you can learn along with. It is very helpful if you are a beginner.
Review by cjia li on 吉他钢琴学习平台 - 弹琴吧：超多的乐谱和教学课程.