"j.k." by vamplug was released on September 29, 2023. The duration of j.k. is about two minutes long, specifically at 2:34. This song does not appear to have any foul language. j.k.'s duration is considered a little bit shorter than the average duration of a typical track. The track order of this song in vamplug's "j.k." album is number 1 out of 2. Based on our statistics, j.k.'s popularity 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.

j.k. テンポ

We consider the tempo marking of j.k. by vamplug to be Allegro (fast, quick, and bright) because the track has a tempo of 127 テンポ, a half-time of 64テンポ, and a double-time of 254 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, walking, can go well with this song. The time signature for this track is 4/4.

j.k. キー

The music key of this track is 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.