On December 15, 2017, the song "Ку ку" was released by Волшебники двора. The duration of Ку ку is about two minutes long, specifically at 2:21. This song does not appear to have any foul language. Ку ку's duration is considered a little bit shorter than the average duration of a typical track. There is only one song in С днём рождения, so we believe that "Ку ку" is a single. In terms of popularity, Ку ку is currently not that popular. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

Ку ку テンポ

The tempo marking of Ку ку by Волшебники двора is Moderato (at a moderate speed), since this song has a tempo of 115 テンポ. With that information, we can conclude that the song has a moderate tempo. This song can go great with walking. The time signature for this track is 4/4.

Ку ку キー

C Major is the music key of this track. This also means that this song has a camelot key of 8B. So, the perfect camelot match for 8B would be either 8B or 9A. While, 9B can give you a low energy boost. For moderate energy boost, you would use 5B and a high energy boost can either be 10B or 3B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 8A or 7B will give you a low energy drop, 11B would be a moderate one, and 6B or 1B would be a high energy drop. Lastly, 5A allows you to change the mood.