Drum & Bass · 2016
Iron Balls
Why these tracks?
Every recommendation is scored across six dimensions — harmonic key, BPM, energy, texture, mood and vocal compatibility — then refined by 4,200 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.
11A → 11A
Same key, ±2 BPM. With 48% groove and heavy bass, long blends work — cut the incoming bass until the switch.
Mr. Funky
Satl · 109 BPM · 11A
92 chemistry
11A → 11B
Relative major — brighter key, same tonal centre. Pair it with a higher-energy record and the floor keeps moving.
Messy
Lola Young · 111 BPM · 11B
76 chemistry
11A → 10A · 12A
Adjacent keys through a breakdown. This one runs 5:18 — the outro gives you a full phrase to work with.
Through My Eyes
Lenzman · 109 BPM · 12A
88 chemistry
About this track.
Iron Balls by Calibre is a bass-heavy Drum & Bass track at 108 BPM with moderate drive and balanced groove. At 51% energy, it works as a mid-set sustainer — enough momentum to keep the floor moving.
Released 4 Nov 2016 · 5:18 · 45% mood · -11 dB loudness
The feel
The bass weight is the story here — 92% puts it in the top tier of the catalog. Lead with it.
Where it lives in a set
51% energy places it in the build — the stretch where you're winning the floor, not rewarding it yet.
About Calibre.
Calibre is a drum and bass producer and DJ known for his work within the genre's technical and atmospheric dimensions. His productions and DJ sets have established him as a significant figure in drum and bass…
87
Median BPM
5A
Top key
2001–2026
Active
90
Tracks
Quick answers.
What BPM is Iron Balls?
108 BPM — squarely in drum & bass territory, mixable within roughly 103–113 BPM without pitch artefacts.
What key is Iron Balls in?
F♯ Minor — 11A on the Camelot wheel. Harmonically compatible with 11B, 10A and 12A.
What mixes well with Iron Balls?
Tracks in 11A, 11B, 10A or 12A between ~103–113 BPM — top matches include Crackdown by Spirit (key change) and Through My Eyes by Lenzman (adjacent key).
Where does Iron Balls fit in a DJ set?
Groove sustainer — 51% energy with a steady groove keeps momentum without forcing the energy up. Ideal in the stretches between peaks.
Explore: 108 BPM tracks · 11A tracks · 11A → 11B key pair · Harmonic mixing guide · Drum and Bass mixing guide
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