Stringy J made "Just 21" available on July 1, 2023. With this song being around four minutes long, at 4:17, 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. Because this song is the only song in Just 21 and no other songs are present in the album, we classify this track as a single. Based on our statistics, Just 21's popularity is not that popular right now. The overall mood can be danceable to some, especially with it's high amount of postive energy.

Just 21 テンポ

We consider the tempo marking of Just 21 by Stringy J to be Moderato (at a moderate speed) because the track has a tempo of 120 テンポ, a half-time of 60テンポ, and a double-time of 240 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.

Just 21 キー

This song has a musical key of C Major. This also means that this song has a camelot key of 8B. So, the perfect camelot match for 8B would be either 8B or 9A. While, 9B can give you a low energy boost. For moderate energy boost, you would use 5B and a high energy boost can either be 10B or 3B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 8A or 7B will give you a low energy drop, 11B would be a moderate one, and 6B or 1B would be a high energy drop. Lastly, 5A allows you to change the mood.