Köttgrottorna made "40år" available on March 23, 2018. The duration of 40år is about two minutes long, specifically at 2:31. This song does not appear to have any foul language. 40år's duration is considered a little bit shorter than the average duration of a typical track. There is only one song in 40år, so we believe that this song is a single. The popularity of 40år is currently not that popular right now. The mood doesn't appear to be that danceable, but it still produces a high amount of positive energy.
The tempo marking of 40år by Köttgrottorna is Presto (very, very fast), since this song has a tempo of 186 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.
This song is in the music key of B Major. This also means that this song has a camelot key of 1B. So, the perfect camelot match for 1B would be either 1B or 2A. While, 2B can give you a low energy boost. For moderate energy boost, you would use 10B and a high energy boost can either be 3B or 8B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 1A or 12B will give you a low energy drop, 4B would be a moderate one, and 11B or 6B would be a high energy drop. Lastly, 10A allows you to change the mood.