.horie, Beatmology made "Jackie." available on March 17, 2023. With Jackie. being less than two minutes long, at 1:51, 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. Because this song is the only song in Jackie. and no other songs are present in the album, we classify this track as a single. On top of that, United States appears to be the country where this track was created. The popularity of Jackie. is currently not that popular right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Jackie. テンポ

We consider the tempo marking of Jackie. by .horie, Beatmology to be Vivace (lively and fast) because the track has a tempo of 174 テンポ, a half-time of 87テンポ, and a double-time of 348 テンポ. Based on that, the speed of the song's tempo is fast. The time signature for this track is 4/4.

Jackie. キー

B♭ Minor is the music key of this track. Because this track belongs in the B♭ Minor key, the camelot key is 3A. So, the perfect camelot match for 3A would be either 3A or 2B. While, a low energy boost can consist of either 3B or 4A. For moderate energy boost, you would use 12A and a high energy boost can either be 5A or 10A. However, if you are looking for a low energy drop, finding a song with a camelot key of 2A would be a great choice. Where 6A would give you a moderate drop, and 1A or 8A would be a high energy drop. Lastly, 6B allows you to change the mood.