神門's ' "Bygone Days" was released on its scheduled release date, October 14, 2020. This song is about six minutes long, preciously at 6:01, making this song fairly long compared to other songs. There is only one song in 歳月, so we believe that "Bygone Days" is a single. In terms of popularity, Bygone Days is currently not that popular. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Bygone Days テンポ

The tempo marking of Bygone Days by 神門 is Moderato (at a moderate speed), since this song has a tempo of 118 テンポ. With that information, we can conclude that the song has a moderate tempo. This song can go great with walking. The time signature for this track is 4/4.

Bygone Days キー

F Minor is the music key of this track. Because this track belongs in the F Minor key, the camelot key is 4A. So, the perfect camelot match for 4A would be either 4A or 3B. While, a low energy boost can consist of either 4B or 5A. For moderate energy boost, you would use 1A and a high energy boost can either be 6A or 11A. However, if you are looking for a low energy drop, finding a song with a camelot key of 3A would be a great choice. Where 7A would give you a moderate drop, and 2A or 9A would be a high energy drop. Lastly, 7B allows you to change the mood.