Let Forever Be - The Secret Psychedelic Mix
30s preview
- BPM
- 127
- Open Key
- 9d
- Energy
- 87/100
- Pop
- 14/100
- Length
- 5:20
- Released
- 2019
- Album
- Surrender (20th Anniversary Edition)
- Genre
- Big Beat
- Loudness
- -4.0 dB
- Dynamics
- 12.2 dB
- ISRC
- GBUM71902350
Key, BPM and audio features: model-based audio analysis · how we measure · catalogue updated July 2026
Other versions
- Let Forever Beoriginal4B · 127
- Let Forever Beoriginal4B · 127
- Let Forever Beoriginal4B · 127
Let Forever Be - The Secret Psychedelic Mix: peak-time tempo big beat, A♭ major (4B), 127 BPM. The feel is dark and driving. The master is loud and heavily compressed. The master keeps unusual dynamic range for club music (crest 12 dB). More treble-tilted than 77% of The Chemical Brothers's catalogue. For programming, treat it as a peak-time weapon.
Sonic profile
Frequency spectrum
amplitude · bass → treble
- 30%
- Low
- 30-130 Hz
- 28%
- Low-mid
- 130-570 Hz
- 23%
- Upper-mid
- 570 Hz-2.5 kHz
- 18%
- High
- 2.5-11 kHz
FAQ
What key is Let Forever Be - The Secret Psychedelic Mix in?
Let Forever Be - The Secret Psychedelic Mix by The Chemical Brothers is in A♭ major, or 4B on the Camelot wheel.
What BPM is Let Forever Be - The Secret Psychedelic Mix?
Let Forever Be - The Secret Psychedelic Mix runs at 127 BPM, a peak-time tempo track.
What mixes well with Let Forever Be - The Secret Psychedelic Mix?
From 4B it blends harmonically with 5B, 4A, 3B. Moving to 5B lifts the energy a step.
Is Let Forever Be - The Secret Psychedelic Mix good for peak time?
With energy 87 out of 100 at 127 BPM, it works best as a peak-time weapon.
Mixes harmonically
4B → 3B · 5B · 4AFrom 4B, 5B (E♭ major) lifts the energy a step; 4A (F minor) settles into the relative minor; 3B (D♭ major) cools the energy down a step.
How to mix it
In 4B at 127 BPM: 5B (E♭ major) — move to 5B to push the floor harder; 4A (F minor) — switch to 4A for a mood change without losing the groove; 3B (D♭ major) — drop to 3B to bring the room down gently.
Pitch range at ±6%: 119-135 BPM — anything in that window beatmatches without sounding stretched.
Key on the fader: without key lock (Master Tempo on CDJs), above roughly +5% it plays a semitone higher, so treat it as 11B rather than 4B; below -5% it reads as 9B. With key lock on, it stays 4B across the whole range.
Programming: a peak-time weapon — save it for the main stretch (energy 87/100).
Similar tempo
Within ±3 BPM of 127 — beatmatch without a big tempo pull.
More big beat
More from The Chemical Brothers
Full profile
Other recommendations
Beyond strict key and genre matches: tracks that still sit in beatmatch range of 127 BPM with a compatible energy and groove — candidates for a key jump or a genre crossover.
Every insight on this page, for your own library.
Vibes runs this same analysis on the music you own: keys, energy and vibe for every track, organized into sets you can actually play.