Unsent Letter
Bleeding Strings
Hidden Hearts
3:26 November 21, 2025
BPM
140
Key
D Major
Camelot
10B

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Unsent Letter by Bleeding Strings Song Details

Bleeding Strings's 'Unsent Letter' had a release date set for November 21, 2025. The duration of This song is about 3 minutes long, at 3:26. 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. The track order of this song in Bleeding Strings's "Hidden Hearts" album is number 1 out of 10. Based on our statistics, Unsent Letter's popularity is not that popular right now. Although the overall vibe is very danceable, it does project more negative sounds.

BPM and Tempo

We consider the tempo marking of Unsent Letter by Bleeding Strings 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.

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

Popularity
Loudness
-12.202 dB
Acousticness
29%
Danceability
76%
Energy
36%
Instrumentalness
0%
Liveness
12%
Loudness
80%
Speechiness
4%
Valence
39%

Recommendations

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ISRC
QT6F22574173
Label
L-M Records/RCA Records