: Bar tracks are arranged with different playing in left and right side even though it has same melody. My students in the class don't feel boring because this music is good enough, and the music itself is filled with emotion so it makes the movement more comfortable.
The only one thing to improve is the length of the tracks would be longer than now. That's all.
※ This review is written by a Korean customer,
and we translated it in English.
You can refer to the original review in the website.
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