Nick B, Stark made "Kidney" available on January 24, 2020. Kidney is 2 minutes and 56 seconds long and may contain bad words that may be unsuitable for children. Because this song is the only song in Kidney and no other songs are present in the album, we classify this track as a single. In terms of popularity, Kidney is currently not that popular. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Kidney テンポ

We consider the tempo marking of Kidney by Nick B, Stark to be Andante (at a walking pace) because the track has a tempo of 100 テンポ, a half-time of 50テンポ, and a double-time of 200 テンポ. Based on that, the speed of the song's tempo is slow. The time signature for this track is 4/4.

Kidney キー

This song has a musical key of A♭ Major. This also means that this song has a camelot key of 4B. So, the perfect camelot match for 4B would be either 4B or 5A. While, 5B can give you a low energy boost. For moderate energy boost, you would use 1B and a high energy boost can either be 6B or 11B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 4A or 3B will give you a low energy drop, 7B would be a moderate one, and 2B or 9B would be a high energy drop. Lastly, 1A allows you to change the mood.