Prologue: The Book Opens by Aethergrave Song Details

"Prologue: The Book Opens" by Aethergrave had its release date on June 12, 2025. With this song being around four minutes long, at 4:23, 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. Since Prologue: The Book Opens only contains only one song in the album, we like to consider this song as a single. Furthermore, we believe that the track originated from Sweden. Prologue: The Book Opens is not that popular right now. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.

BPM and Tempo

With Prologue: The Book Opens by Aethergrave having a BPM of 59 with a half-time of 30 BPM and a double-time of 118 BPM, we would consider this track to have a Lento (slowly) tempo marking. Because of this, we believe that the song has an overall slow tempo. The time signature for this track is 4/4.

Music Key

B Major is the music key of this track. Or for those who are familiar with the camelot wheel, this song has a camelot key of 1B. So, the perfect camelot match for 1B would be either 1B or 2A. While, 2B can give you a low energy boost. For moderate energy boost, you would use 10B and a high energy boost can either be 3B or 8B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 1A or 12B will give you a low energy drop, 4B would be a moderate one, and 11B or 6B would be a high energy drop. Lastly, 10A allows you to change the mood.

Want to find the BPM and music key for other songs? Check out our BPM and Key Finder page!