Tech House · 2019
Flex
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.
3A → 3A
Same key, ±2 BPM. With 64% groove and heavy bass, long blends work — cut the incoming bass until the switch.
Licky Licky (Amine Edge & DANCE's Codeine Juke Edit) - (Amine Edge & DANCE's Codeine Juke Edit
DJ Deeon · 124 BPM · 3A
91 chemistry
3A → 3B
Relative major — brighter key, same tonal centre. Pair it with a higher-energy record and the floor keeps moving.
The Diary Of A Studio 54 DJ - Original Club Mix
Mark Knight · 124 BPM · 3B
87 chemistry
3A → 2A · 4A
Adjacent keys through a breakdown. This one runs 6:37 — the outro gives you a full phrase to work with.
Mem 88%%
Luuk Van Dijk · 124 BPM · 4A
90 chemistry
About this track.
Flex by Marco Strous is a bass-heavy Tech House track at 124 BPM with moderate drive and balanced groove. At 62% energy, it works as an energy builder — pushing the floor forward without peaking.
Released 7 Jun 2019 · 6:37 · 43% mood · -11 dB loudness
The feel
The bass weight is the story here — 85% puts it in the top tier of the catalog. Lead with it.
Where it lives in a set
62% energy places it in the build — the stretch where you're winning the floor, not rewarding it yet.
About Marco Strous.
Marco Strous is a tech house producer and DJ known for his work in electronic music. His productions explore the intersection of rhythmic precision and dancefloor dynamics characteristic of the tech house genre.
130
Median BPM
10B
Top key
2019–2025
Active
16
Tracks
Quick answers.
What BPM is Flex?
124 BPM — squarely in tech house territory, mixable within roughly 119–129 BPM without pitch artefacts.
What key is Flex in?
B♭ Minor — 3A on the Camelot wheel. Harmonically compatible with 3B, 2A and 4A.
What mixes well with Flex?
Tracks in 3A, 3B, 2A or 4A between ~119–129 BPM — top matches include Licky Licky (Amine Edge & DANCE's Codeine Juke Edit) - (Amine Edge & DANCE's Codeine Juke Edit by DJ Deeon (same key) and Hooked - Extended by Martin Ikin (same key).
Where does Flex fit in a DJ set?
Mid-set energy builder — 62% energy with a steady groove pushes the floor forward without peaking. Save peak-time slots for higher-drive records.
Explore: 124 BPM tracks · 3A tracks · 3A → 3B key pair · Harmonic mixing guide · Tech House mixing guide
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