Sundell made "Happy Days" available on September 13, 2019. The duration of Happy Days is about two minutes long, specifically at 2:52. This song does not appear to have any foul language. Happy Days's duration is considered a little bit shorter than the average duration of a typical track. Because this song is the only song in Happy Days and no other songs are present in the album, we classify this track as a single. In terms of popularity, Happy Days is currently average in popularity. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Happy Days テンポ

We consider the tempo marking of Happy Days by Sundell to be Andante (at a walking pace) because the track has a tempo of 100 テンポ, a half-time of 50テンポ, and a double-time of 200 テンポ. Based on that, the speed of the song's tempo is slow. The time signature for this track is 4/4.

Happy Days キー

This song has a musical key of G Major. This also means that this song has a camelot key of 9B. So, the perfect camelot match for 9B would be either 9B or 10A. While, 10B can give you a low energy boost. For moderate energy boost, you would use 6B and a high energy boost can either be 11B or 4B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 9A or 8B will give you a low energy drop, 12B would be a moderate one, and 7B or 2B would be a high energy drop. Lastly, 6A allows you to change the mood.