約束 by A.B.C-Z Song Details

A.B.C-Z's ' "約束" was released on its scheduled release date, December 10, 2025. With this song being around four minutes long, at 4:05, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. The song is number 27 out of 55 in BEST OF A.B.C-Z-COUPLING BEST- by A.B.C-Z. Going off of the ISRC code of this track, we detected that the origin of this track is from Japan. Based on our statistics, 約束's popularity is not that popular right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

BPM and Tempo

The tempo marking of 約束 by A.B.C-Z is Allegro (fast, quick, and bright), since this song has a tempo of 152 BPM. 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.

Music Key

B Major is the music key of this track. This also means that 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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