Elementix made "Complex Heart" available on April 22, 2023. The duration of Complex Heart is about 3 minutes long, at 3:05. Based on our data, "Complex Heart" appears to be safe for all ages and is not considered explicit. This track is about the average length of a typical track. There is only one song in 808, so we believe that "Complex Heart" is a single. Based on our statistics, Complex Heart's popularity is unknown right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.
The tempo marking of Complex Heart by Elementix is Allegro (fast, quick, and bright), since this song has a tempo of 142 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.
B♭ Major is the music key of this track. This also means that this song has a camelot key of 6B. So, the perfect camelot match for 6B would be either 6B or 7A. While, 7B can give you a low energy boost. For moderate energy boost, you would use 3B and a high energy boost can either be 8B or 1B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 6A or 5B will give you a low energy drop, 9B would be a moderate one, and 4B or 11B would be a high energy drop. Lastly, 3A allows you to change the mood.