Portraits of the Unknown (interlude)
- BPM
- 143
- Half-time
- 72
- Open Key
- 4d
- Energy
- 40/100
- Pop
- 0/100
- Length
- 1:32
- Released
- 2009
- Genre
- Drum N Bass
- Loudness
- -16.5 dB
- ISRC
- GBPWR0900075
Key, BPM and audio features: model-based audio analysis · how we measure · catalogue updated July 2026
Portraits of the Unknown (interlude): driving up-tempo drum n bass, A major (11B), 143 BPM. The feel is brooding and low-slung. The groove is loose and less beat-driven. The mix is almost entirely instrumental. The master keeps real dynamic headroom. A 2009 production that still circulates in sets. Less groove-driven than 99% of Alix Perez's catalogue. In a set it works best as a warm-up or breakdown cut.
- Reach:
- more underground than 99% of Alix Perez's catalogue
- Energy:
- calmer than 97% of Alix Perez's catalogue
Sonic profile
Frequency spectrum
amplitude · bass → treble
FAQ
What key is Portraits of the Unknown (interlude) in?
Portraits of the Unknown (interlude) by Alix Perez is in A major, or 11B on the Camelot wheel.
What BPM is Portraits of the Unknown (interlude)?
Portraits of the Unknown (interlude) runs at 143 BPM, a driving up-tempo track.
What mixes well with Portraits of the Unknown (interlude)?
From 11B it blends harmonically with 12B, 11A, 10B. Moving to 12B lifts the energy a step.
Is Portraits of the Unknown (interlude) good for peak time?
With energy 40 out of 100 at 143 BPM, it works best as a warm-up or breakdown cut.
Mixes harmonically
11B → 10B · 12B · 11AFrom 11B, 12B (E major) lifts the energy a step; 11A (F♯ minor) settles into the relative minor; 10B (D major) cools the energy down a step.
How to mix it
In 11B at 143 BPM: 12B (E major) — move to 12B to push the floor harder; 11A (F♯ minor) — switch to 11A for a mood change without losing the groove; 10B (D major) — drop to 10B to bring the room down gently.
Pitch range at ±6%: 134-152 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 6B rather than 11B; below -5% it reads as 4B. With key lock on, it stays 11B across the whole range.
Programming: a warm-up or breakdown cut — early set or after a peak to reset the room.
Similar tempo
Within ±3 BPM of 143 — beatmatch without a big tempo pull.
More drum n bass
More from Alix Perez
Full profile
Other recommendations
Beyond strict key and genre matches: tracks that still sit in beatmatch range of 143 BPM with a compatible energy and groove — candidates for a key jump or a genre crossover.
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