BUENSA, Jamina's ' "Rule Book" was released on its scheduled release date, December 12, 2025. Rule Book is explicit and may not be suitable for children. With the duration being about 3:55, this song is close to the average duration of a typical track. Since Rule Book only contains only one song in the album, we like to consider this song as a single. Rule Book is below average in popularity right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.
With Rule Book by BUENSA, Jamina having a BPM of 78 with a half-time of 39 BPM and a double-time of 156 BPM, we would consider this track to have a Andante (at a walking pace) tempo marking. Because of this, we believe that the song has an overall slow tempo. The time signature for this track is 1/4.
B Major is the music key of this track. Or for those who are familiar with the camelot wheel, this song has a camelot key of 1B. So, the perfect camelot match for 1B would be either 1B or 2A. While, 2B can give you a low energy boost. For moderate energy boost, you would use 10B and a high energy boost can either be 3B or 8B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 1A or 12B will give you a low energy drop, 4B would be a moderate one, and 11B or 6B would be a high energy drop. Lastly, 10A allows you to change the mood.
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