On June 23, 2021, the song "Heartache soldier" was released by 小林愛香. With this song being around four minutes long, at 3:46, 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 track order of this song in 小林愛香's "Gradation Collection" album is number 2 out of 13. On top of that, Japan appears to be the country where this track was created. The popularity of Heartache soldier is currently not that popular right now. The overall mood can be danceable to some, especially with it's high amount of postive energy.

Heartache soldier テンポ

We consider the tempo marking of Heartache soldier by 小林愛香 to be Presto (very, very fast) because the track has a tempo of 200 テンポ, a half-time of 100テンポ, and a double-time of 400 テンポ. The time signature for this track is 4/4.

Heartache soldier キー

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.