Nu Disco / Disco · 2023
How Long
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.
10B → 10B
Same key, ±2 BPM. With 49% groove and heavy bass, long blends work — cut the incoming bass until the switch.
Da Float - Short Mix
DJ Balduin · 126 BPM · 10B
86 chemistry
10B → 10A
Relative minor — darker key, same tonal centre. Pair it with a higher-energy record and the floor keeps moving.
Back Stabbers
The O'jays · 123 BPM · 10A
86 chemistry
10B → 9B · 11B
Adjacent keys through a breakdown. This one runs 2:56 — the outro gives you a full phrase to work with.
Let's Hear It for the Boy - From "Footloose" Original Soundtrack
Deniece Williams · 123 BPM · 9B
87 chemistry
About this track.
How Long by Cousin Kula is a bass-heavy Nu Disco / Disco track at 125 BPM with moderate drive and balanced groove. At 33% energy, it suits warm-up and opening slots, setting the tone before the energy climbs.
Released 21 Sep 2023 · 2:56 · 44% mood · -13 dB loudness
The feel
The warmth is the story here — 100% puts it in the top tier of the catalog. Lead with it.
Where it lives in a set
33% energy places it in the warm-up — setting the room up before the climb.
About Cousin Kula.
Deep House producer and DJ.
128
Median BPM
10B
Top key
3
Tracks
Quick answers.
What BPM is How Long?
125 BPM — squarely in nu disco / disco territory, mixable within roughly 120–130 BPM without pitch artefacts.
What key is How Long in?
D Major — 10B on the Camelot wheel. Harmonically compatible with 10A, 9B and 11B.
What mixes well with How Long?
Tracks in 10B, 10A, 9B or 11B between ~120–130 BPM — top matches include Let's Hear It for the Boy - From "Footloose" Original Soundtrack by Deniece Williams (adjacent key) and Ain't Got No / I Got Life (From the Broadway Musical, "Hair") by Nina Simone (adjacent key).
Where does How Long fit in a DJ set?
Warm-up and opener — 33% energy with a steady groove sets the tone before the energy climbs.
Explore: 125 BPM tracks · 10B tracks · 10B → 10A key pair · Harmonic mixing guide
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