9 Hours Into the Future
30s preview
- BPM
- 172
- Half-time
- 86
- Open Key
- 7d
- Energy
- 94/100
- Pop
- 10/100
- Length
- 4:30
- Released
- 1997
- Genre
- Ambient
- Loudness
- -12.9 dB
- Dynamics
- 15.8 dB
- ISRC
- DEF279707305
Key, BPM and audio features: model-based audio analysis · how we measure · catalogue updated July 2026
9 Hours Into the Future runs 172 BPM in F♯ major (2B), an ambient record. Tonally it lands bright and euphoric. The mix is almost entirely instrumental. Its spectrum is weighted to the sub and kick, with a heavy low end. The master keeps real dynamic headroom. The master keeps unusual dynamic range for club music (crest 16 dB). A 1997 production that still circulates in sets. Faster than 97% of Surgeon's catalogue. In a set it works best as an opener or closing-set piece.
- Brightness:
- brighter than 97% of Surgeon's catalogue
- Reach:
- better known than 89% of Surgeon's catalogue
- Low end:
- more treble-tilted than 87% of Surgeon's catalogue
Sonic profile
Frequency spectrum
amplitude · bass → treble
- 32%
- Low
- 30-130 Hz
- 28%
- Low-mid
- 130-570 Hz
- 22%
- Upper-mid
- 570 Hz-2.5 kHz
- 17%
- High
- 2.5-11 kHz
FAQ
What key is 9 Hours Into the Future in?
9 Hours Into the Future by Surgeon is in F♯ major, or 2B on the Camelot wheel.
What BPM is 9 Hours Into the Future?
9 Hours Into the Future runs at 172 BPM.
What mixes well with 9 Hours Into the Future?
From 2B it blends harmonically with 3B, 2A, 1B. Moving to 3B lifts the energy a step.
Is 9 Hours Into the Future good for peak time?
With energy 94 out of 100 at 172 BPM, it works best as an opener or closing-set piece.
Mixes harmonically
2B → 1B · 3B · 2AFrom 2B, 3B (D♭ major) lifts the energy a step; 2A (E♭ minor) settles into the relative minor; 1B (B major) cools the energy down a step.
How to mix it
In 2B at 172 BPM: 3B (D♭ major) — move to 3B to push the floor harder; 2A (E♭ minor) — switch to 2A for a mood change without losing the groove; 1B (B major) — drop to 1B to bring the room down gently.
Pitch range at ±6%: 162-182 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 9B rather than 2B; below -5% it reads as 7B. With key lock on, it stays 2B across the whole range.
Programming: an opener or closing-set piece.
Similar tempo
Within ±3 BPM of 172 — beatmatch without a big tempo pull.
More ambient
More from Surgeon
Full profile
Other recommendations
Beyond strict key and genre matches: tracks that still sit in beatmatch range of 172 BPM with a compatible energy and groove — candidates for a key jump or a genre crossover.
![VERDUROUS 04 [220208.3] by Rodhad cover art](https://qzoszznbkkwwjtagnyok.supabase.co/storage/v1/object/public/dj-covers/f06a140b12b08900ff61.webp){kind=small}