"Again" by S3RL, DK (December) was released on September 5, 2019. With this song being around four minutes long, at 3:31, 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 Again and no other songs are present in the album, we classify this track as a single. The popularity of Again is currently below average in popularity right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

Again テンポ

The tempo marking of Again by S3RL, DK (December) is Vivace (lively and fast), since this song has a tempo of 175 テンポ. With that information, we can conclude that the song has a fast tempo. The time signature for this track is 4/4.

Again キー

This song has a musical key of F♯ Minor. This also means that this song has a camelot key of 11A. So, the perfect camelot match for 11A would be either 11A or 10B. While, a low energy boost can consist of either 11B or 12A. For moderate energy boost, you would use 8A and a high energy boost can either be 1A or 6A. However, if you are looking for a low energy drop, finding a song with a camelot key of 10A would be a great choice. Where 2A would give you a moderate drop, and 9A or 4A would be a high energy drop. Lastly, 2B allows you to change the mood.