Chiru-san's 'Blue' came out on October 13, 2022. The duration of Blue is about two minutes long, specifically at 2:54. This song does not appear to have any foul language. Blue's duration is considered a little bit shorter than the average duration of a typical track. Because this song is the only song in Blue and no other songs are present in the album, we classify this track as a single. Blue is not that popular right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

Blue テンポ

The tempo marking of Blue by Chiru-san is Andante (at a walking pace), since this song has a tempo of 80 テンポ. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.

Blue キー

E♭ Major is the music key of this track. This also means that this song has a camelot key of 5B. So, the perfect camelot match for 5B would be either 5B or 6A. While, 6B can give you a low energy boost. For moderate energy boost, you would use 2B and a high energy boost can either be 7B or 12B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 5A or 4B will give you a low energy drop, 8B would be a moderate one, and 3B or 10B would be a high energy drop. Lastly, 2A allows you to change the mood.