Hard to Believe
30s preview
- BPM
- 173
- Half-time
- 87
- Open Key
- 3m
- Energy
- 52/100
- Pop
- 13/100
- Length
- 4:53
- Released
- 2023
- Genre
- Drum N Bass
- Loudness
- -8.5 dB
- Dynamics
- 18.3 dB
- ISRC
- GBZSD2300012
Key, BPM and audio features: model-based audio analysis · how we measure · catalogue updated July 2026
A drum n bass cut, Hard to Believe sits in B minor (10A) at 173 BPM. The mix is almost entirely instrumental. Its spectrum is centred in the low-mids, warm and bass-forward. The master keeps unusual dynamic range for club music (crest 18 dB). Darker than 97% of Calibre's catalogue.
- Groove:
- less groove-driven than 90% of Calibre's catalogue
- Low end:
- more treble-tilted than 86% of Calibre's catalogue
- Energy:
- calmer than 84% of Calibre's catalogue
Sonic profile
Frequency spectrum
amplitude · bass → treble
- 27%
- Low
- 30-130 Hz
- 34%
- Low-mid
- 130-570 Hz
- 23%
- Upper-mid
- 570 Hz-2.5 kHz
- 16%
- High
- 2.5-11 kHz
FAQ
What key is Hard to Believe in?
Hard to Believe by Calibre is in B minor, or 10A on the Camelot wheel.
What BPM is Hard to Believe?
Hard to Believe runs at 173 BPM.
What mixes well with Hard to Believe?
From 10A it blends harmonically with 11A, 10B, 9A. Moving to 11A lifts the energy a step.
Is Hard to Believe good for peak time?
With energy 52 out of 100 at 173 BPM, it works best as an opener or closing-set piece.
Mixes harmonically
10A → 9A · 11A · 10BFrom 10A, 11A (F♯ minor) lifts the energy a step; 10B (D major) brightens to the relative major; 9A (E minor) cools the energy down a step.
How to mix it
In 10A at 173 BPM: 11A (F♯ minor) — move to 11A to push the floor harder; 10B (D major) — switch to 10B for a mood change without losing the groove; 9A (E minor) — drop to 9A to bring the room down gently.
Pitch range at ±6%: 163-183 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 5A rather than 10A; below -5% it reads as 3A. With key lock on, it stays 10A across the whole range.
Programming: an opener or closing-set piece.
Similar tempo
Within ±3 BPM of 173 — 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 173 BPM with a compatible energy and groove — candidates for a key jump or a genre crossover.
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