SwuM's 'Don’t know why' came out on January 21, 2019. The duration of Don’t know why is about two minutes long, specifically at 2:39. This song does not appear to have any foul language. Don’t know why's duration is considered a little bit shorter than the average duration of a typical track. There are a total of 4 in the song's album "O R B I T". In this album, this song's track order is #2. Don’t know why is 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.

Don’t know why テンポ

With Don’t know why by SwuM having a テンポ of 82 with a half-time of 41 テンポ and a double-time of 164 テンポ, we would consider this track to have a Andante (at a walking pace) tempo marking. Because of this, we believe that the song has an overall slow tempo. The time signature for this track is 4/4.

Don’t know why キー

This song has a musical key of F Minor. Which also means that the camelot key for this song 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.