灰澈's ' "永夜" was released on its scheduled release date, October 31, 2023. With This song being less than two minutes long, at 1:26, 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. There is only one song in 永夜, so we believe that this song is a single. Based on our statistics, 永夜's popularity is not that popular right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

永夜 テンポ

The tempo marking of 永夜 by 灰澈 is Moderato (at a moderate speed), since this song has a tempo of 120 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with walking. The time signature for this track is 3/4.

永夜 キー

F Major is the music key of this track. This also means that this song has a camelot key of 7B. So, the perfect camelot match for 7B would be either 7B or 8A. While, 8B can give you a low energy boost. For moderate energy boost, you would use 4B and a high energy boost can either be 9B or 2B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 7A or 6B will give you a low energy drop, 10B would be a moderate one, and 5B or 12B would be a high energy drop. Lastly, 4A allows you to change the mood.