On April 15, 2020, the song "約束の血" was released by HIMEHINA. With This song being less than two minutes long, at 1:29, we are fairly confident that this song is not explicit and is safe for all ages. Based on the duration of this song, this song duration is much smaller than the average song duration. There is only one song in 藍の華, so we believe that "約束の血" is a single. Based on our statistics, 約束の血's popularity is not that popular right now. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

約束の血 テンポ

The tempo marking of 約束の血 by HIMEHINA is Allegro (fast, quick, and bright), since this song has a tempo of 150 テンポ. 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.

約束の血 キー

This song is in the music key of C Major. This also means that this song has a camelot key of 8B. So, the perfect camelot match for 8B would be either 8B or 9A. While, 9B can give you a low energy boost. For moderate energy boost, you would use 5B and a high energy boost can either be 10B or 3B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 8A or 7B will give you a low energy drop, 11B would be a moderate one, and 6B or 1B would be a high energy drop. Lastly, 5A allows you to change the mood.