Kir made "Da 4" available on July 13, 2021. For a fairly short song, this song is "Da 4" is considered an explicit song with a duration of 1:43. Because this song is the only song in Da 4 and no other songs are present in the album, we classify this track as a single. In terms of popularity, Da 4 is currently below average in popularity. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Da 4 テンポ

The tempo marking of Da 4 by Kir 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.

Da 4 キー

This song is in the music key of B Minor. This also means that this song has a camelot key of 10A. So, the perfect camelot match for 10A would be either 10A or 9B. While, a low energy boost can consist of either 10B or 11A. For moderate energy boost, you would use 7A and a high energy boost can either be 12A or 5A. However, if you are looking for a low energy drop, finding a song with a camelot key of 9A would be a great choice. Where 1A would give you a moderate drop, and 8A or 3A would be a high energy drop. Lastly, 1B allows you to change the mood.