Mixes well with this track
Checking key, tempo, energy, groove, mood and vocals.
Every recommendation is scored across six dimensions — harmonic key, BPM, energy, texture, mood and vocal compatibility — then refined by 5,000 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.
Spaces in Between feat. Ursula Rucker - Extended Version by Ursula Rucker, Qess is a bass-heavy, groove-locked Deep House track at 121 BPM with moderate drive and strong groove. At 40% energy, it works as a mid-set sustainer — enough momentum to keep the floor moving.
Released 28 Feb 2020 · 6:27 · 35% mood · -12 dB loudness
The feel
The groove is the story here — 96% puts it in the top tier of the catalog. Lead with it.
Where it lives in a set
40% energy places it in the build — the stretch where you're winning the floor, not rewarding it yet.
Ursula Rucker is a vocalist and poet working in deep house and electronic music. Her work combines spoken word and melodic vocals over atmospheric production, exploring themes of introspection and social consciousness.
123
Median BPM
9A
Top key
1999–2025
Active
24
Tracks
121 BPM — squarely in deep house territory, mixable within roughly 116–126 BPM without pitch artefacts.
E Minor — 9A on the Camelot wheel. Harmonically compatible with 9B, 8A and 10A.
Tracks in 9A, 9B, 8A or 10A between ~116–126 BPM.
Groove sustainer — 40% energy with strong groove keeps momentum without forcing the energy up. Ideal in the stretches between peaks.
Explore: 121 BPM tracks · 9A tracks · 9A → 9B key pair · Harmonic mixing guide · Deep House mixing guide
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Mixes well with this track
Every candidate scored on key, tempo, energy, groove, mood and vocals — the top 5, ranked.
Juno Love
Nico Morano
120 BPM · 9A · Deep House
Same key · -1 BPM — seamless blend
Dub 001
Tour-Maubourg
120 BPM · 9A · Deep House
Same key · -1 BPM — seamless blend
Pajama Stomp
Coeo
118 BPM · 9A · Deep House
Same key · -3 BPM — seamless blend
Rah That's A Mad Question
Barry Can't Swim
121 BPM · 8A · Deep House
Adjacent key · same BPM — seamless blend
Shadows (Feat. Woodie S) - Edwin Oosterwal Dub
Pitto
122 BPM · 9A · Deep House
Same key · +1 BPM — seamless blend
9A → 9A
Same key, ±2 BPM. With 96% groove and heavy bass, long blends work — cut the incoming bass until the switch.
Dub 001
Tour-Maubourg · 120 BPM · 9A
92 chemistry
9A → 9B
Relative major — brighter key, same tonal centre. Pair it with a higher-energy record and the floor keeps moving.
9A → 8A · 10A
Adjacent keys through a breakdown. This one runs 6:27 — the outro gives you a full phrase to work with.
Rah That's A Mad Question
Barry Can't Swim · 121 BPM · 8A
89 chemistry