Expansion and contraction by Auin Shimizu Song Details

Auin Shimizu's 'Expansion and contraction' had a release date set for January 7, 2026. The duration of This song is about two minutes long, specifically at 2:19. This song does not appear to have any foul language. Expansion and contraction's duration is considered a little bit shorter than the average duration of a typical track. There are a total of 19 in the song's album "Shining Star". In this album, this song's track order is #3. Furthermore, we believe that the track originated from Japan. Based on our statistics, Expansion and contraction's popularity is not that popular right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

BPM and Tempo

With Expansion and contraction by Auin Shimizu having a BPM of 137 with a half-time of 68 BPM and a double-time of 274 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 walking. The time signature for this track is 3/4.

Music Key

F♯ Minor is the music key of this track. Or for those who are familiar with the camelot wheel, this song has a camelot key of 11A. So, the perfect camelot match for 11A would be either 11A or 10B. While, a low energy boost can consist of either 11B or 12A. For moderate energy boost, you would use 8A and a high energy boost can either be 1A or 6A. However, if you are looking for a low energy drop, finding a song with a camelot key of 10A would be a great choice. Where 2A would give you a moderate drop, and 9A or 4A would be a high energy drop. Lastly, 2B 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!