"postcards" by B9, Aso was released on April 19, 2024. The duration of postcards is about two minutes long, specifically at 2:58. This song does not appear to have any foul language. postcards's duration is considered a little bit shorter than the average duration of a typical track. Since postcards only contains only one song in the album, we like to consider this song as a single. postcards is unknown right now. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.
With postcards by B9, Aso having a テンポ of 68 with a half-time of 34 テンポ and a double-time of 136 テンポ, we would consider this track to have a Adagio (slowly with great expression) tempo marking. Because of this, we believe that the song has an overall slow tempo. The time signature for this track is 4/4.
B Minor is the music key of this track. Or for those who are familiar with the camelot wheel, 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.