O'flame made "Soldier" available on September 10, 2021. Soldier is 2 minutes and 32 seconds long and may contain bad words that may be unsuitable for children. Since Soldier only contains only one song in the album, we like to consider this song as a single. Soldier is below average in popularity right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Soldier テンポ

With Soldier by O'flame having a テンポ of 88 with a half-time of 44 テンポ and a double-time of 176 テンポ, we would consider this track to have a Andante (at a walking pace) tempo marking. Because of this, we believe that the song has an overall slow tempo. Looking at the テンポ of this song, this song might go great with yoga or pilates. The time signature for this track is 4/4.

Soldier キー

This song has a musical key of D♭ Major. Or for those who are familiar with the camelot wheel, this song has a camelot key of 3B. So, the perfect camelot match for 3B would be either 3B or 4A. While, 4B can give you a low energy boost. For moderate energy boost, you would use 12B and a high energy boost can either be 5B or 10B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 3A or 2B will give you a low energy drop, 6B would be a moderate one, and 1B or 8B would be a high energy drop. Lastly, 12A allows you to change the mood.