Underfire - Original Mix
30s preview
- BPM
- 174
- Half-time
- 87
- Open Key
- 8d
- Energy
- 89/100
- Pop
- 6/100
- Length
- 5:24
- Released
- 2016
- Album
- Shelflife 4
- Genre
- Drum N Bass
- Loudness
- -13.0 dB
- Dynamics
- 11.1 dB
- ISRC
- GBXC71500009
Key, BPM and audio features: model-based audio analysis · how we measure · catalogue updated July 2026
Underfire - Original Mix: drum n bass, D♭ major (3B), 174 BPM. It reads as dark and driving. 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 11 dB). A 2016 production that still circulates in sets. More bass-heavy than 97% of Calibre's catalogue. For programming, treat it as a floor-filler.
- Brightness:
- darker than 95% of Calibre's catalogue
- Groove:
- groovier than 76% of Calibre's catalogue
Sonic profile
Frequency spectrum
amplitude · bass → treble
- 45%
- Low
- 30-130 Hz
- 31%
- Low-mid
- 130-570 Hz
- 18%
- Upper-mid
- 570 Hz-2.5 kHz
- 6%
- High
- 2.5-11 kHz
FAQ
What key is Underfire - Original Mix in?
Underfire - Original Mix by Calibre is in D♭ major, or 3B on the Camelot wheel.
What BPM is Underfire - Original Mix?
Underfire - Original Mix runs at 174 BPM.
What mixes well with Underfire - Original Mix?
From 3B it blends harmonically with 4B, 3A, 2B. Moving to 4B lifts the energy a step.
Is Underfire - Original Mix good for peak time?
With energy 89 out of 100 at 174 BPM, it works best as a floor-filler.
Mixes harmonically
3B → 2B · 4B · 3AFrom 3B, 4B (A♭ major) lifts the energy a step; 3A (B♭ minor) settles into the relative minor; 2B (F♯ major) cools the energy down a step.
How to mix it
In 3B at 174 BPM: 4B (A♭ major) — move to 4B to push the floor harder; 3A (B♭ minor) — switch to 3A for a mood change without losing the groove; 2B (F♯ major) — drop to 2B to bring the room down gently.
Pitch range at ±6%: 164-184 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 10B rather than 3B; below -5% it reads as 8B. With key lock on, it stays 3B across the whole range.
Programming: a floor-filler.
Similar tempo
Within ±3 BPM of 174 — beatmatch without a big tempo pull.
More drum n bass
More from Calibre
Full profile
Other recommendations
Beyond strict key and genre matches: tracks that still sit in beatmatch range of 174 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.