Chihiro Yonekura made "約束" available on April 28, 2021. With this song being about 5 minutes long, at 4:57, "約束" by Chihiro Yonekura is fairly a long song compared to the average song length. This song does not have an "Explicit" tag, making it safe for all ages. There is only one song in 25 YEARS AFTER ~All Time Best~, so we believe that "約束" is a single. In terms of popularity, 約束 is currently not that popular. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

約束 テンポ

The tempo marking of 約束 by Chihiro Yonekura is Moderato (at a moderate speed), since this song has a tempo of 115 テンポ. With that information, we can conclude that the song has a moderate tempo. This song can go great with walking. The time signature for this track is 4/4.

約束 キー

A♭ Major is the music key of this track. 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.