Knowledge: Letters Never Sent (E Minor Reverie) by Crossing the Rubicon Song Details

Crossing the Rubicon's ' "Knowledge: Letters Never Sent (E Minor Reverie)" was released on its scheduled release date, November 21, 2025. With This song being less than two minutes long, at 1:12, we are fairly confident that this song is not explicit and is safe for all ages. Based on the duration of this song, this song duration is much smaller than the average song duration. The track order of this song in Crossing the Rubicon's "Knowledge" album is number 12 out of 26. On top of that, United States appears to be the country where this track was created. Based on our statistics, Knowledge: Letters Never Sent (E Minor Reverie)'s popularity is unknown right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

BPM and Tempo

We consider the tempo marking of Knowledge: Letters Never Sent (E Minor Reverie) by Crossing the Rubicon to be Allegro (fast, quick, and bright) because the track has a tempo of 140 BPM, a half-time of 70BPM, and a double-time of 280 BPM. Based on that, the speed of the song's tempo is fast. Activities such as, jogging or cycling, can go well with this song. The time signature for this track is 4/4.

Music Key

D Major is the music key of this track. This also means that this song has a camelot key of 10B. So, the perfect camelot match for 10B would be either 10B or 11A. While, 11B can give you a low energy boost. For moderate energy boost, you would use 7B and a high energy boost can either be 12B or 5B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 10A or 9B will give you a low energy drop, 1B would be a moderate one, and 8B or 3B would be a high energy drop. Lastly, 7A allows you to change the mood.

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