"清らかな笑顔" by Yu-Peng Chen, HOYO-MiX, Zach Huang was released on April 2, 2021. With 清らかな笑顔 being less than two minutes long, at 1:17, we are fairly confident that this song is not explicit and is safe for all ages. Based on the duration of this song, this song duration is much smaller than the average song duration. There is only one song in 原神-渦巻、落星と雪山 (Original Game Soundtrack), so we believe that "清らかな笑顔" is a single. Based on our statistics, 清らかな笑顔's popularity is below average in popularity right now. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.
The tempo marking of 清らかな笑顔 by Yu-Peng Chen, HOYO-MiX, Zach Huang is Allegro (fast, quick, and bright), since this song has a tempo of 151 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with running. The time signature for this track is 4/4.
The music key of this track is A♭ Major. This also means that this song has a camelot key of 4B. So, the perfect camelot match for 4B would be either 4B or 5A. While, 5B can give you a low energy boost. For moderate energy boost, you would use 1B and a high energy boost can either be 6B or 11B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 4A or 3B will give you a low energy drop, 7B would be a moderate one, and 2B or 9B would be a high energy drop. Lastly, 1A allows you to change the mood.