![Unfamiliar Truth (John O'Callaghan Radio Edit) [feat. Hysteria!] by John O'Callaghan cover art](https://i.scdn.co/image/ab67616d00001e02b00e3f27830d1c529bbf52e0)
Unfamiliar Truth (John O'Callaghan Radio Edit) [feat. Hysteria!]
- BPM
- 137
- Open Key
- 9d
- Energy
- 96/100
- Pop
- 0/100
- Length
- 4:17
- Released
- 2014
- Album
- Subculture Top 10 June 2014
- Genre
- Trance
- Loudness
- -8.2 dB
- ISRC
- GBKQU1429386
Key, BPM and audio features: model-based audio analysis · how we measure · catalogue updated July 2026
Unfamiliar Truth (John O'Callaghan Radio Edit) [feat. Hysteria!] is a driving up-tempo trance track in A♭ major (4B) at 137 BPM. The feel is dark and driving. The mix is almost entirely instrumental. A 2014 production that still circulates in sets. More underground than 99% of John O'Callaghan's catalogue.
- Brightness:
- darker than 88% of John O'Callaghan's catalogue
- Groove:
- less groove-driven than 78% of John O'Callaghan's catalogue
- Tempo:
- slower than 77% of John O'Callaghan's catalogue
Sonic profile
Frequency spectrum
amplitude · bass → treble
FAQ
What key is Unfamiliar Truth (John O'Callaghan Radio Edit) [feat. Hysteria!] in?
Unfamiliar Truth (John O'Callaghan Radio Edit) [feat. Hysteria!] by John O'Callaghan is in A♭ major, or 4B on the Camelot wheel.
What BPM is Unfamiliar Truth (John O'Callaghan Radio Edit) [feat. Hysteria!]?
Unfamiliar Truth (John O'Callaghan Radio Edit) [feat. Hysteria!] runs at 137 BPM, a driving up-tempo track.
What mixes well with Unfamiliar Truth (John O'Callaghan Radio Edit) [feat. Hysteria!]?
From 4B it blends harmonically with 5B, 4A, 3B. Moving to 5B lifts the energy a step.
Is Unfamiliar Truth (John O'Callaghan Radio Edit) [feat. Hysteria!] good for peak time?
With energy 96 out of 100 at 137 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 137 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%: 129-145 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 96/100).
Similar tempo
Within ±3 BPM of 137 — beatmatch without a big tempo pull.
More trance
![The Falling [Mix Cut] - Paul van Dyk Remix by Paul van Dyk cover art](https://qzoszznbkkwwjtagnyok.supabase.co/storage/v1/object/public/dj-covers/5e389a0e278d62dcf488.webp){kind=small}
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Other recommendations
Beyond strict key and genre matches: tracks that still sit in beatmatch range of 137 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.