System Mass
30s preview
- Key
- 7B · F major
- BPM
- 137
- Open Key
- 12d
- Energy
- 91/100
- Pop
- 4/100
- Length
- 2:42
- Released
- 2022
- Genre
- House
- Loudness
- -7.5 dB
- Dynamics
- 12.7 dB
- ISRC
- GBEXH2200277
Key, BPM and audio features: model-based audio analysis · how we measure · catalogue updated July 2026
System Mass: driving up-tempo house, F major (7B), 137 BPM. The mix is almost entirely instrumental. Its spectrum is weighted to the sub and kick, with a heavy low end. The master keeps unusual dynamic range for club music (crest 13 dB). Hotter than 90% of Nicola Cruz's catalogue.
Sonic profile
Frequency spectrum
amplitude · bass → treble
- 35%
- Low
- 30-130 Hz
- 29%
- Low-mid
- 130-570 Hz
- 20%
- Upper-mid
- 570 Hz-2.5 kHz
- 15%
- High
- 2.5-11 kHz
FAQ
What key is System Mass in?
System Mass by Nicola Cruz is in F major, or 7B on the Camelot wheel.
What BPM is System Mass?
System Mass runs at 137 BPM, a driving up-tempo track.
What mixes well with System Mass?
From 7B it blends harmonically with 8B, 7A, 6B. Moving to 8B lifts the energy a step.
Is System Mass good for peak time?
With energy 91 out of 100 at 137 BPM, it works best as a peak-time weapon.
Mixes harmonically
7B → 6B · 8B · 7AFrom 7B, 8B (C major) lifts the energy a step; 7A (D minor) settles into the relative minor; 6B (B♭ major) cools the energy down a step.
How to mix it
In 7B at 137 BPM: 8B (C major) — move to 8B to push the floor harder; 7A (D minor) — switch to 7A for a mood change without losing the groove; 6B (B♭ major) — drop to 6B 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 2B rather than 7B; below -5% it reads as 12B. With key lock on, it stays 7B across the whole range.
Programming: a peak-time weapon — save it for the main stretch (energy 91/100).
Similar tempo
Within ±3 BPM of 137 — beatmatch without a big tempo pull.
More house
More from Nicola Cruz
Full profile
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.
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