Joy Again made "Couldn't" available on July 24, 2019. The duration of Couldn't is about two minutes long, specifically at 2:45. This song does not appear to have any foul language. Couldn't's duration is considered a little bit shorter than the average duration of a typical track. Because this song is the only song in Couldn't and no other songs are present in the album, we classify this track as a single. Going off of the ISRC code of this track, we detected that the origin of this track is from United States. In terms of popularity, Couldn't is currently not that popular. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Couldn't テンポ

The tempo marking of Couldn't by Joy Again is Andante (at a walking pace), since this song has a tempo of 106 テンポ. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.

Couldn't キー

This song is in the music key of D♭ Minor. This also means that this song has a camelot key of 12A. So, the perfect camelot match for 12A would be either 12A or 11B. While, a low energy boost can consist of either 12B or 1A. For moderate energy boost, you would use 9A and a high energy boost can either be 2A or 7A. However, if you are looking for a low energy drop, finding a song with a camelot key of 11A would be a great choice. Where 3A would give you a moderate drop, and 10A or 5A would be a high energy drop. Lastly, 3B allows you to change the mood.