9x21's ' "21" was released on its scheduled release date, October 17, 2025. 21 is 2 minutes and 37 seconds long and may contain bad words that may be unsuitable for children. There is only one song in 21, so we believe that this song is a single. 21 is below average in popularity right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.
The tempo marking of 21 by 9x21 is Andante (at a walking pace), since this song has a tempo of 81 BPM. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.
G Major is the music key of this track. This also means that this song has a camelot key of 9B. So, the perfect camelot match for 9B would be either 9B or 10A. While, 10B can give you a low energy boost. For moderate energy boost, you would use 6B and a high energy boost can either be 11B or 4B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 9A or 8B will give you a low energy drop, 12B would be a moderate one, and 7B or 2B would be a high energy drop. Lastly, 6A allows you to change the mood.
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