Walter Kwan's '4.9.21' had a release date set for September 4, 2021. The duration of This song is about 3 minutes long, at 3:28. Based on our data, This song appears to be safe for all ages and is not considered explicit. This track is about the average length of a typical track. There is only one song in 4.9.21, so we believe that this song is a single. 4.9.21 is below average in popularity right now. Although the overall vibe is very danceable, it does project more negative sounds.

4.9.21 テンポ

The tempo marking of 4.9.21 by Walter Kwan is Andante (at a walking pace), since this song has a tempo of 88 テンポ. With that information, we can conclude that the song has a slow tempo. This song can go great with yoga or pilates. The time signature for this track is 4/4.

4.9.21 キー

The music key of this track is F♯ Minor. This also means that this song has a camelot key of 11A. So, the perfect camelot match for 11A would be either 11A or 10B. While, a low energy boost can consist of either 11B or 12A. For moderate energy boost, you would use 8A and a high energy boost can either be 1A or 6A. However, if you are looking for a low energy drop, finding a song with a camelot key of 10A would be a great choice. Where 2A would give you a moderate drop, and 9A or 4A would be a high energy drop. Lastly, 2B allows you to change the mood.