"Heart of Darkness" by Nox Arcana was released on October 10, 2013. Heart of Darkness is about six minutes long, preciously at 5:34, making this song fairly long compared to other songs. The track order of this song in Nox Arcana's "Legion of Shadows" album is number 21 out of 21. In terms of popularity, Heart of Darkness is currently not that popular. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

Heart of Darkness テンポ

We consider the tempo marking of Heart of Darkness by Nox Arcana to be Andante (at a walking pace) because the track has a tempo of 100 テンポ, a half-time of 50テンポ, and a double-time of 200 テンポ. Based on that, the speed of the song's tempo is slow. The time signature for this track is 4/4.

Heart of Darkness キー

This song has a musical key of E♭ Major. This also means that this song has a camelot key of 5B. So, the perfect camelot match for 5B would be either 5B or 6A. While, 6B can give you a low energy boost. For moderate energy boost, you would use 2B and a high energy boost can either be 7B or 12B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 5A or 4B will give you a low energy drop, 8B would be a moderate one, and 3B or 10B would be a high energy drop. Lastly, 2A allows you to change the mood.