On December 3, 2025, the song "表情筋鍛えていこう！" was released by Harumi Fuuki. With This song being less than two minutes long, at 1:36, 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 ひらやすみ (Original TV Soundtrack), so we believe that "表情筋鍛えていこう！" is a single. The popularity of 表情筋鍛えていこう！ is currently below average in popularity right now. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.
The tempo marking of 表情筋鍛えていこう！ by Harumi Fuuki is Vivace (lively and fast), since this song has a tempo of 170 BPM. With that information, we can conclude that the song has a fast tempo. The time signature for this track is 4/4.
This song is in the music key of C Major. This also means that this song has a camelot key of 8B. So, the perfect camelot match for 8B would be either 8B or 9A. While, 9B can give you a low energy boost. For moderate energy boost, you would use 5B and a high energy boost can either be 10B or 3B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 8A or 7B will give you a low energy drop, 11B would be a moderate one, and 6B or 1B would be a high energy drop. Lastly, 5A allows you to change the mood.
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