田口囁一, Sentimental-Vector's ' "後夜祭" was released on its scheduled release date, December 29, 2016. The duration of This song is about two minutes long, specifically at 2:29. This song does not appear to have any foul language. 後夜祭's duration is considered a little bit shorter than the average duration of a typical track. There is only one song in アテインリレイション, so we believe that "後夜祭" is a single. In terms of popularity, 後夜祭 is currently not that popular. Since there is more of a neutral sound being played, this makes the track somewhat danceable.
The tempo marking of 後夜祭 by 田口囁一, Sentimental-Vector is Andante (at a walking pace), since this song has a tempo of 100 BPM. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.
F♯ Major is the music key of this track. This also means that this song has a camelot key of 2B. So, the perfect camelot match for 2B would be either 2B or 3A. While, 3B can give you a low energy boost. For moderate energy boost, you would use 11B and a high energy boost can either be 4B or 9B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 2A or 1B will give you a low energy drop, 5B would be a moderate one, and 12B or 7B would be a high energy drop. Lastly, 11A allows you to change the mood.
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