On October 18, 2019, the song "postcard" was released by hollowgang. postcard is considered explicit and may contain foul language. This song is about 3 minutes and 5 seconds, which is about the average length of a typical song. Since postcard only contains only one song in the album, we like to consider this song as a single. The popularity of postcard is currently below average in popularity right now. The overall mood can be danceable to some, especially with it's high amount of postive energy.

postcard テンポ

With postcard by hollowgang having a テンポ of 162 with a half-time of 81 テンポ and a double-time of 324 テンポ, we would consider this track to have a Vivace (lively and fast) tempo marking. Because of this, we believe that the song has an overall fast tempo. The time signature for this track is 4/4.

postcard キー

This song is in the music key of F♯ Major. Or for those who are familiar with the camelot wheel, this song has a camelot key of 2B. So, the perfect camelot match for 2B would be either 2B or 3A. While, 3B can give you a low energy boost. For moderate energy boost, you would use 11B and a high energy boost can either be 4B or 9B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 2A or 1B will give you a low energy drop, 5B would be a moderate one, and 12B or 7B would be a high energy drop. Lastly, 11A allows you to change the mood.