404 - 肆零肆's ' "單曲循環 (PM)" was released on its scheduled release date, September 16, 2025. With this song being around four minutes long, at 4:21, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. There is only one song in 深夜歌單, so we believe that "單曲循環 (PM)" is a single. In terms of popularity, 單曲循環 (PM) 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 單曲循環 (PM) by 404 - 肆零肆 is Moderato (at a moderate speed), since this song has a tempo of 117 BPM. 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.
F Minor is the music key of this track. Because this track belongs in the F Minor key, the camelot key is 4A. So, the perfect camelot match for 4A would be either 4A or 3B. While, a low energy boost can consist of either 4B or 5A. For moderate energy boost, you would use 1A and a high energy boost can either be 6A or 11A. However, if you are looking for a low energy drop, finding a song with a camelot key of 3A would be a great choice. Where 7A would give you a moderate drop, and 2A or 9A would be a high energy drop. Lastly, 7B allows you to change the mood.
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