Kohai, Kyoto Sound's 'Sleepless' came out on August 16, 2021. The duration of Sleepless is about two minutes long, specifically at 2:21. This song does not appear to have any foul language. Sleepless's duration is considered a little bit shorter than the average duration of a typical track. Since Sleepless only contains only one song in the album, we like to consider this song as a single. Sleepless is below average in popularity right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

Sleepless テンポ

With Sleepless by Kohai, Kyoto Sound having a テンポ of 68 with a half-time of 34 テンポ and a double-time of 136 テンポ, we would consider this track to have a Adagio (slowly with great expression) tempo marking. Because of this, we believe that the song has an overall slow tempo. The time signature for this track is 4/4.

Sleepless キー

This song is in the music key of D Major. Or for those who are familiar with the camelot wheel, this song has a camelot key of 10B. So, the perfect camelot match for 10B would be either 10B or 11A. While, 11B can give you a low energy boost. For moderate energy boost, you would use 7B and a high energy boost can either be 12B or 5B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 10A or 9B will give you a low energy drop, 1B would be a moderate one, and 8B or 3B would be a high energy drop. Lastly, 7A allows you to change the mood.