Barefood made "Biru" available on February 28, 2017. Since Biru is still less than 10 minute long, it is still considered a pretty long duration song compared to the average song length. This song does not appear to be explicit due to the lack of the "E" tag. The track order of this song in Barefood's "Milkbox" album is number 9 out of 9. Biru is below average in popularity right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

Biru テンポ

We consider the tempo marking of Biru by Barefood to be Adagio (slowly with great expression) because the track has a tempo of 75 テンポ, a half-time of 38テンポ, and a double-time of 150 テンポ. Based on that, the speed of the song's tempo is slow. The time signature for this track is 4/4.

Biru キー

A Major is the music key of this track. 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.