kls. made "Hullu usko" available on November 10, 2017. The duration of Hullu usko is about two minutes long, specifically at 2:47. This song does not appear to have any foul language. Hullu usko's duration is considered a little bit shorter than the average duration of a typical track. The track order of this song in kls.'s "Me Vastaan Maailma" album is number 9 out of 11. The popularity of Hullu usko is currently not that popular right now. The mood doesn't appear to be that danceable, but it still produces a high amount of positive energy.

Hullu usko テンポ

We consider the tempo marking of Hullu usko by kls. to be Presto (very, very fast) because the track has a tempo of 190 テンポ, a half-time of 95テンポ, and a double-time of 380 テンポ. Based on that, the speed of the song's tempo is fast. The time signature for this track is 4/4.

Hullu usko キー

This song is in the music 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.