KOU!!! made "2099!" available on May 3, 2024. With 2099! being less than two minutes long, at 1:27, we are fairly confident that this song is not explicit and is safe for all ages. Based on the duration of this song, this song duration is much smaller than the average song duration. There is only one song in 2099!, so we believe that this song is a single. Based on our statistics, 2099!'s popularity is unknown right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

2099! テンポ

The tempo marking of 2099! by KOU!!! is Allegro (fast, quick, and bright), since this song has a tempo of 138 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with walking. The time signature for this track is 4/4.

2099! キー

This song is in the music key of A♭ Minor. Because this track belongs in the A♭ Minor key, the camelot key is 1A. So, the perfect camelot match for 1A would be either 1A or 12B. While, a low energy boost can consist of either 1B or 2A. For moderate energy boost, you would use 10A and a high energy boost can either be 3A or 8A. However, if you are looking for a low energy drop, finding a song with a camelot key of 12A would be a great choice. Where 4A would give you a moderate drop, and 11A or 6A would be a high energy drop. Lastly, 4B allows you to change the mood.