Breaks / Breakbeat / UK Bass · 2017
Alt Slacks
BPMF
Why these tracks?
Every recommendation is scored across six dimensions — harmonic key, BPM, energy, texture, mood and vocal compatibility — then refined by 4,300 community-rated transitions from real DJs. That's why each match has a chemistry number and a reason, not just a list of tracks in the same key.
Mixing out of this track.
1B → 1B
Same key, ±2 BPM. With 31% groove and heavy bass, long blends work — cut the incoming bass until the switch.
Can You Feel It
Suga7 · 130 BPM · 1B
89 chemistry
1B → 1A
Relative minor — darker key, same tonal centre. Pair it with a higher-energy record and the floor keeps moving.
Tell Me feat. Jungle Brothers & Mike G - Stanton Warriors Remix
State of the Nation · 130 BPM · 1A
86 chemistry
1B → 12B · 2B
Adjacent keys through a breakdown. This one runs 5:38 — the outro gives you a full phrase to work with.
Big Blau
Dynamite MC · 130 BPM · 12B
88 chemistry
About this track.
Alt Slacks by BPMF is a bass-heavy Breaks / Breakbeat / UK Bass track at 129 BPM with moderate drive and subtle groove. At 47% energy, it works as a mid-set sustainer — enough momentum to keep the floor moving.
Released 18 Sep 2017 · 5:38 · 47% mood · -11 dB loudness
The feel
The bass weight is the story here — 86% puts it in the top tier of the catalog. Lead with it.
Where it lives in a set
47% energy places it in the build — the stretch where you're winning the floor, not rewarding it yet.
Quick answers.
What BPM is Alt Slacks?
129 BPM — squarely in breaks / breakbeat / uk bass territory, mixable within roughly 124–134 BPM without pitch artefacts.
What key is Alt Slacks in?
B Major — 1B on the Camelot wheel. Harmonically compatible with 1A, 12B and 2B.
What mixes well with Alt Slacks?
Tracks in 1B, 1A, 12B or 2B between ~124–134 BPM — top matches include Can You Feel It by Suga7 (same key) and Big Blau by Dynamite MC (adjacent key).
Where does Alt Slacks fit in a DJ set?
Groove sustainer — 47% energy keeps momentum without forcing the energy up. Ideal in the stretches between peaks.
Explore: 129 BPM tracks · 1B tracks · 1B → 1A key pair · Harmonic mixing guide
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