Formalin Heart by NATSUKASHII Song Details

"Formalin Heart" by NATSUKASHII had its release date on July 1, 2025. This song is about six minutes long, preciously at 6:26, making this song fairly long compared to other songs. There are a total of 10 in the song's album "RE:BIRTH". In this album, this song's track order is #6. Based on our statistics, Formalin Heart's popularity is unknown right now. Although the overall vibe is very danceable, it does project more negative sounds.

BPM and Tempo

With Formalin Heart by NATSUKASHII having a BPM of 140 with a half-time of 70 BPM and a double-time of 280 BPM, we would consider this track to have a Allegro (fast, quick, and bright) tempo marking. Because of this, we believe that the song has an overall fast tempo. Looking at the BPM of this song, this song might go great with jogging or cycling. The time signature for this track is 4/4.

Music Key

This song has a musical key of E Major. Or for those who are familiar with the camelot wheel, this song has a camelot key of 12B. So, the perfect camelot match for 12B would be either 12B or 1A. While, 1B can give you a low energy boost. For moderate energy boost, you would use 9B and a high energy boost can either be 2B or 7B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 12A or 11B will give you a low energy drop, 3B would be a moderate one, and 10B or 5B would be a high energy drop. Lastly, 9A allows you to change the mood.

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