On September 5, 2025, the song "亂世書 (伴奏版)" was released by 風華音紀, 平生不晚. The duration of This song is about 3 minutes long, at 3:20. 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 亂世書, so we believe that "亂世書 (伴奏版)" is a single. In terms of popularity, 亂世書 (伴奏版) is currently unknown. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.
The tempo marking of 亂世書 (伴奏版) by 風華音紀, 平生不晚 is Andante (at a walking pace), since this song has a tempo of 90 BPM. 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.
B♭ Minor is the music key of this track. Because this track belongs in the B♭ Minor key, the camelot key is 3A. So, the perfect camelot match for 3A would be either 3A or 2B. While, a low energy boost can consist of either 3B or 4A. For moderate energy boost, you would use 12A and a high energy boost can either be 5A or 10A. However, if you are looking for a low energy drop, finding a song with a camelot key of 2A would be a great choice. Where 6A would give you a moderate drop, and 1A or 8A would be a high energy drop. Lastly, 6B allows you to change the mood.
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