Ojerime made "4U" available on June 22, 2018. The duration of 4U is about two minutes long, specifically at 2:16. This song does not appear to have any foul language. 4U's duration is considered a little bit shorter than the average duration of a typical track. There is only one song in 4U, so we believe that "4U" is a single. In terms of popularity, 4U is currently below average in popularity. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

4U テンポ

The tempo marking of 4U by Ojerime is Andante (at a walking pace), since this song has a tempo of 105 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.

4U 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.