井上一平 made "「青」の世界" available on December 15, 2021. With 「青」の世界 being less than two minutes long, at 1:22, we are fairly confident that this song is not explicit and is safe for all ages. Based on the duration of this song, this song duration is much smaller than the average song duration. There are a total of 30 in the song's album "TVアニメ「ブルーピリオド」オリジナル・サウンドトラック". In this album, this song's track order is #17. Furthermore, we believe that the track originated from Japan. In terms of popularity, 「青」の世界 is currently not that popular. Since there is more of a neutral sound being played, this makes the track somewhat danceable.
With 「青」の世界 by 井上一平 having a テンポ of 92 with a half-time of 46 テンポ and a double-time of 184 テンポ, we would consider this track to have a Andante (at a walking pace) tempo marking. Because of this, we believe that the song has an overall slow tempo. Looking at the テンポ of this song, this song might go great with yoga or pilates. The time signature for this track is 4/4.
F Major is the music key of this track. Or for those who are familiar with the camelot wheel, this song has a camelot key of 7B. So, the perfect camelot match for 7B would be either 7B or 8A. While, 8B can give you a low energy boost. For moderate energy boost, you would use 4B and a high energy boost can either be 9B or 2B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 7A or 6B will give you a low energy drop, 10B would be a moderate one, and 5B or 12B would be a high energy drop. Lastly, 4A allows you to change the mood.