The Letter He Never Sent
CAELIS
Promises Don't Return
3:27 November 25, 2025
BPM
153
Key
A Minor
Camelot
8A

Embed

Share Link

The Letter He Never Sent by CAELIS Song Details

CAELIS's 'The Letter He Never Sent' had a release date set for November 25, 2025. The duration of This song is about 3 minutes long, at 3:27. 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 are a total of 10 in the song's album "Promises Don't Return". In this album, this song's track order is #5. Based on our statistics, The Letter He Never Sent's popularity is not that popular right now. Although the overall vibe is very danceable, it does project more negative sounds.

BPM and Tempo

With The Letter He Never Sent by CAELIS having a BPM of 153 with a half-time of 76 BPM and a double-time of 306 BPM, we would consider this track to have a Allegro (fast, quick, and bright) tempo marking. Because of this, we believe that the song has an overall fast tempo. Looking at the BPM of this song, this song might go great with running. The time signature for this track is 4/4.

Music Key

A Minor is the music key of this track. Which also means that the camelot key for this song is 8A. So, the perfect camelot match for 8A would be either 8A or 7B. While, a low energy boost can consist of either 8B or 9A. For moderate energy boost, you would use 5A and a high energy boost can either be 10A or 3A. However, if you are looking for a low energy drop, finding a song with a camelot key of 7A would be a great choice. Where 11A would give you a moderate drop, and 6A or 1A would be a high energy drop. Lastly, 11B 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
-12.34 dB
Acousticness
40%
Danceability
67%
Energy
34%
Instrumentalness
0%
Liveness
7%
Loudness
79%
Speechiness
12%
Valence
34%

Recommendations

TrackArtistKeyEnergyCamelotBPM
Moonlit Lullaby by Maria DainesMoonlit LullabyMaria DainesF Minor34A172 BPM
Cold Sheets, Warm Lies by Nina BlazeCold Sheets, Warm LiesNina BlazeB♭ Minor33A81 BPM
Ain't Stopping by Maria DainesAin't StoppingMaria DainesE Minor49A99 BPM
The Seat Beside Her by CAELISThe Seat Beside HerCAELISA Minor48A76 BPM
Only You, Baby by J.A. MelodyOnly You, BabyJ.A. MelodyA Major411B81 BPM
The Last Song I’ll Sing - Live by Let Babylon BurnThe Last Song I’ll Sing - LiveLet Babylon BurnF Major57B143 BPM
Still Waiting Here by AgtverseStill Waiting HereAgtverseB♭ Major16B187 BPM
Don't Forget Me by Etta Mae HartwellDon't Forget MeEtta Mae HartwellG Minor36A88 BPM
Did You Forget Something by Etta Mae HartwellDid You Forget SomethingEtta Mae HartwellE Minor39A170 BPM
The Promise They Tried to Keep by CAELISThe Promise They Tried to KeepCAELISA Minor38A154 BPM
Restless Soul by Gate Of NoneRestless SoulGate Of NoneE♭ Minor42A144 BPM
I Already Knew by Royal Blue NotesI Already KnewRoyal Blue NotesB♭ Major26B148 BPM
A Missed Moment by CAELIS BABYLONA Missed MomentCAELIS BABYLONA Minor48A76 BPM
When She Looks My Way by Mark HudsonWhen She Looks My WayMark HudsonG Minor46A186 BPM
How Could I Ever Forget You - Live by Let Babylon BurnHow Could I Ever Forget You - LiveLet Babylon BurnE Minor69A151 BPM
I've walked through fire by Ulrich JannertI've walked through fireUlrich JannertG Minor56A78 BPM
Almost Said It by Enlly BlueAlmost Said ItEnlly BlueG Minor36A174 BPM
The Balcony Where She Once Stood by CAELISThe Balcony Where She Once StoodCAELISA Minor48A76 BPM
Three Seconds by ElowineThree SecondsElowineG Minor66A162 BPM
MOMENTS OF YOU by RASELHITSMOMENTS OF YOURASELHITSB♭ Minor43A208 BPM
EVERYDAY MY LOVE IS YOU by RASELHITSEVERYDAY MY LOVE IS YOURASELHITSA Minor48A140 BPM
Waiting Just for You by EverHits-moritabariWaiting Just for YouEverHits-moritabariG Minor46A65 BPM
Rust & Roses by Enlly BlueRust & RosesEnlly BlueD♭ Minor512A174 BPM
If It Saves You One Breath by David SvenIf It Saves You One BreathDavid SvenC Major48B142 BPM
Breaking Free by Ulrich JannertBreaking FreeUlrich JannertG Minor66A168 BPM
ISRC
QT6F62510960
Label
L-M Records/RCA Records