On December 21, 2018, the song "Night 15" was released by Ta-ku. With Night 15 being less than two minutes long, at 1:05, 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 is only one song in 25 Nights for Nujabes, so we believe that "Night 15" is a single. In terms of popularity, Night 15 is currently below average in popularity. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.
The tempo marking of Night 15 by Ta-ku is Andante (at a walking pace), since this song has a tempo of 96 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.
This song has a musical key of D♭ Major. This also means that this song has a camelot key of 3B. So, the perfect camelot match for 3B would be either 3B or 4A. While, 4B can give you a low energy boost. For moderate energy boost, you would use 12B and a high energy boost can either be 5B or 10B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 3A or 2B will give you a low energy drop, 6B would be a moderate one, and 1B or 8B would be a high energy drop. Lastly, 12A allows you to change the mood.