YongYong made "J." available on November 9, 2023. With this song being around four minutes long, at 3:35, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. The track order of this song in YongYong's "mYmY" album is number 11 out of 12. On top of that, South Korea appears to be the country where this track was created. The popularity of J. is currently not that popular right now. The overall mood can be danceable to some, especially with it's high amount of postive energy.

J. テンポ

We consider the tempo marking of J. by YongYong to be Vivace (lively and fast) because the track has a tempo of 160 テンポ, a half-time of 80テンポ, and a double-time of 320 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, running, can go well with this song. The time signature for this track is 4/4.

J. キー

The music key of this track is B♭ Major. This also means that this song has a camelot key of 6B. So, the perfect camelot match for 6B would be either 6B or 7A. While, 7B can give you a low energy boost. For moderate energy boost, you would use 3B and a high energy boost can either be 8B or 1B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 6A or 5B will give you a low energy drop, 9B would be a moderate one, and 4B or 11B would be a high energy drop. Lastly, 3A allows you to change the mood.