Mayumi Itsuwa made "約束" available on 1979. The duration of 約束 is about 3 minutes long, at 3:11. Based on our data, "約束" appears to be safe for all ages and is not considered explicit. This track is about the average length of a typical track. There is only one song in 岐路 (2023 Remastered), so we believe that "約束" is a single. Based on our statistics, 約束's popularity is unknown right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.
The tempo marking of 約束 by Mayumi Itsuwa is Allegro (fast, quick, and bright), since this song has a tempo of 144 BPM. With that information, we can conclude that the song has a fast tempo. This song can go great with jogging or cycling. The time signature for this track is 4/4.
This song is in the music key of B♭ Major. This also means that this song has a camelot key of 6B. So, the perfect camelot match for 6B would be either 6B or 7A. While, 7B can give you a low energy boost. For moderate energy boost, you would use 3B and a high energy boost can either be 8B or 1B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 6A or 5B will give you a low energy drop, 9B would be a moderate one, and 4B or 11B would be a high energy drop. Lastly, 3A allows you to change the mood.
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