"四" by Kei Tainaka was released on July 8, 2023. The duration of 四 is about 3 minutes long, at 3:02. Based on our data, "四" appears to be safe for all ages and is not considered explicit. This track is about the average length of a typical track. There is only one song in たゆたう, so we believe that "四" is a single. 四 is unknown right now. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.

四 テンポ

The tempo marking of 四 by Kei Tainaka is Adagio (slowly with great expression), since this song has a tempo of 72 テンポ. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.

四 キー

This song is in the music key of B Minor. This also means that this song has a camelot key of 10A. So, the perfect camelot match for 10A would be either 10A or 9B. While, a low energy boost can consist of either 10B or 11A. For moderate energy boost, you would use 7A and a high energy boost can either be 12A or 5A. However, if you are looking for a low energy drop, finding a song with a camelot key of 9A would be a great choice. Where 1A would give you a moderate drop, and 8A or 3A would be a high energy drop. Lastly, 1B allows you to change the mood.