1![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Rain sound and piano harmony
2![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Piano BGM perfect for sleep introduction
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5![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Improved sleep with the sound of rain
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7![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Comfortable sleep introduction BGM
8![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Beautiful sound of nature that does not stop raining
9![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
Piano sounds for a good night's sleep
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11![](https://m.media-amazon.com/images/G/01/digital/music/player/web/EQ_accent.gif)
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