Z made "deja vu." available on February 28, 2024. The duration of deja vu. is about two minutes long, specifically at 2:32. This song does not appear to have any foul language. deja vu.'s duration is considered a little bit shorter than the average duration of a typical track. Because this song is the only song in deja vu. and no other songs are present in the album, we classify this track as a single. Based on our statistics, deja vu.'s popularity is not that popular right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

deja vu. テンポ

The tempo marking of deja vu. by Z is Allegro (fast, quick, and bright), since this song has a tempo of 153 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with running. The time signature for this track is 4/4.

deja vu. キー

The music key of this track is B♭ Major. This also means that this song has a camelot key of 6B. So, the perfect camelot match for 6B would be either 6B or 7A. While, 7B can give you a low energy boost. For moderate energy boost, you would use 3B and a high energy boost can either be 8B or 1B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 6A or 5B will give you a low energy drop, 9B would be a moderate one, and 4B or 11B would be a high energy drop. Lastly, 3A allows you to change the mood.