Numberblocks made "Fifteen" available on 2017. With Fifteen being less than a minute long, we are pretty confident that this song does not contain any foul language. That being said, this song is pretty short compared to other songs. The track order of this song in Numberblocks's "Let's Count to Twenty!" album is number 5 out of 11. The popularity of Fifteen is currently not that popular right now. The overall mood can be danceable to some, especially with it's high amount of postive energy.

Fifteen テンポ

We consider the tempo marking of Fifteen by Numberblocks to be Presto (very, very fast) because the track has a tempo of 200 テンポ, a half-time of 100テンポ, and a double-time of 400 テンポ. The time signature for this track is 4/4.

Fifteen キー

This song has a musical key of A Major. This also means that this song has a camelot key of 11B. So, the perfect camelot match for 11B would be either 11B or 12A. While, 12B can give you a low energy boost. For moderate energy boost, you would use 8B and a high energy boost can either be 1B or 6B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 11A or 10B will give you a low energy drop, 2B would be a moderate one, and 9B or 4B would be a high energy drop. Lastly, 8A allows you to change the mood.