Unchangeable Past by Jun Futamata Song Details

"Unchangeable Past" by Jun Futamata had its release date on December 6, 2025. With this song being around four minutes long, at 3:54, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. There are a total of 27 in the song's album "The Right to Judge (Iikoto Waruikoto) Original Soundtrack". In this album, this song's track order is #21. Furthermore, we believe that the track originated from Japan. Unchangeable Past is not that popular right now. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.

BPM and Tempo

With Unchangeable Past by Jun Futamata having a BPM of 71 with a half-time of 36 BPM and a double-time of 142 BPM, we would consider this track to have a Adagio (slowly with great expression) tempo marking. Because of this, we believe that the song has an overall slow tempo. The time signature for this track is 3/4.

Music Key

This song is in the music key of A Minor. Which also means that the camelot key for this song is 8A. So, the perfect camelot match for 8A would be either 8A or 7B. While, a low energy boost can consist of either 8B or 9A. For moderate energy boost, you would use 5A and a high energy boost can either be 10A or 3A. However, if you are looking for a low energy drop, finding a song with a camelot key of 7A would be a great choice. Where 11A would give you a moderate drop, and 6A or 1A would be a high energy drop. Lastly, 11B allows you to change the mood.

Want to find the BPM and music key for other songs? Check out our BPM and Key Finder page!