Calia-林焰, 星尘's ' "空心人札记" was released on its scheduled release date, August 20, 2025. The duration of This song is about two minutes long, specifically at 2:58. This song does not appear to have any foul language. 空心人札记's duration is considered a little bit shorter than the average duration of a typical track. There is only one song in 空心人札记, so we believe that this song is a single. In terms of popularity, 空心人札记 is currently not that popular. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.
The tempo marking of 空心人札记 by Calia-林焰, 星尘 is Moderato (at a moderate speed), since this song has a tempo of 110 BPM. With that information, we can conclude that the song has a moderate tempo. The time signature for this track is 4/4.
A♭ Minor is the music key of this track. Because this track belongs in the A♭ Minor key, the camelot key is 1A. So, the perfect camelot match for 1A would be either 1A or 12B. While, a low energy boost can consist of either 1B or 2A. For moderate energy boost, you would use 10A and a high energy boost can either be 3A or 8A. However, if you are looking for a low energy drop, finding a song with a camelot key of 12A would be a great choice. Where 4A would give you a moderate drop, and 11A or 6A would be a high energy drop. Lastly, 4B allows you to change the mood.
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