Enki Nyxx made "Lonely Heart" available on February 25, 2021. Lonely Heart is about six minutes long, preciously at 6:00, making this song fairly long compared to other songs. Because this song is the only song in Lonely Heart and no other songs are present in the album, we classify this track as a single. Based on our statistics, Lonely Heart's popularity is below average in popularity right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Lonely Heart テンポ

We consider the tempo marking of Lonely Heart by Enki Nyxx to be Allegro (fast, quick, and bright) because the track has a tempo of 125 テンポ, a half-time of 62テンポ, and a double-time of 250 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, walking, can go well with this song. The time signature for this track is 4/4.

Lonely Heart キー

G Major is the music key of this track. This also means that this song has a camelot key of 9B. So, the perfect camelot match for 9B would be either 9B or 10A. While, 10B can give you a low energy boost. For moderate energy boost, you would use 6B and a high energy boost can either be 11B or 4B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 9A or 8B will give you a low energy drop, 12B would be a moderate one, and 7B or 2B would be a high energy drop. Lastly, 6A allows you to change the mood.