iwamizu made "Doukei" available on October 7, 2016. The duration of Doukei is about two minutes long, specifically at 2:43. This song does not appear to have any foul language. Doukei's duration is considered a little bit shorter than the average duration of a typical track. The song is number 1 out of 10 in Alone by iwamizu. Doukei is below average in popularity right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Doukei テンポ

The tempo marking of Doukei by iwamizu is Adagio (slowly with great expression), since this song has a tempo of 75 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.

Doukei キー

This song is in the music key of B♭ Minor. Because this track belongs in the B♭ Minor key, the camelot key is 3A. So, the perfect camelot match for 3A would be either 3A or 2B. While, a low energy boost can consist of either 3B or 4A. For moderate energy boost, you would use 12A and a high energy boost can either be 5A or 10A. However, if you are looking for a low energy drop, finding a song with a camelot key of 2A would be a great choice. Where 6A would give you a moderate drop, and 1A or 8A would be a high energy drop. Lastly, 6B allows you to change the mood.