7!! made "相愛性理論" available on February 8, 2017. With this song being about 5 minutes long, at 4:32, "相愛性理論" by 7!! is fairly a long song compared to the average song length. This song does not have an "Explicit" tag, making it safe for all ages. There is only one song in セツナエモーション, so we believe that "相愛性理論" is a single. Based on our statistics, 相愛性理論's popularity is not that popular right now. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

相愛性理論 テンポ

The tempo marking of 相愛性理論 by 7!! is Allegro (fast, quick, and bright), since this song has a tempo of 144 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.

相愛性理論 キー

D Major is the music key of this track. This also means that this song has a camelot key of 10B. So, the perfect camelot match for 10B would be either 10B or 11A. While, 11B can give you a low energy boost. For moderate energy boost, you would use 7B and a high energy boost can either be 12B or 5B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 10A or 9B will give you a low energy drop, 1B would be a moderate one, and 8B or 3B would be a high energy drop. Lastly, 7A allows you to change the mood.