Jonathan Ulysses, Laurent C made "21st Century" available on November 7, 2009. 21st Century is about six minutes long, preciously at 6:22, making this song fairly long compared to other songs. There is only one song in 21st Century, so we believe that "21st Century" is a single. Based on our statistics, 21st Century's popularity is unknown right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

21st Century テンポ

The tempo marking of 21st Century by Jonathan Ulysses, Laurent C is Allegro (fast, quick, and bright), since this song has a tempo of 130 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.

21st Century キー

This song is in the music key of C Major. This also means that this song has a camelot key of 8B. So, the perfect camelot match for 8B would be either 8B or 9A. While, 9B can give you a low energy boost. For moderate energy boost, you would use 5B and a high energy boost can either be 10B or 3B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 8A or 7B will give you a low energy drop, 11B would be a moderate one, and 6B or 1B would be a high energy drop. Lastly, 5A allows you to change the mood.