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Tracks/Optional Illusion
Optional Illusion album art

Minimal / Deep Tech · 2023

Optional Illusion

Julian Fijma

130

BPM

9B

G Major

Builder

Energy

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Previews courtesy ofListen on Apple Music

Mixes well with this track

Scoring the top mixing matches.

Checking key, tempo, energy, groove, mood and vocals.

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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.

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About this track.

Optional Illusion by Julian Fijma is a bass-heavy, groove-locked Minimal / Deep Tech track at 130 BPM with moderate drive and strong groove. At 67% energy, it works as an energy builder — pushing the floor forward without peaking.

Released 8 Dec 2023 · 6:02 · 43% mood · -12 dB loudness

The feel

Groovelocked in
Bass weightheavy
Drivemoderate
Warmthcool-toned

The groove is the story here — 98% puts it in the top tier of the catalog. Lead with it.

Where it lives in a set

WARM-UPBUILDPEAKCOOL

67% energy places it in the build — the stretch where you're winning the floor, not rewarding it yet.

About Julian Fijma.

Minimal / Deep Tech producer and DJ.

130

Median BPM

7A

Top key

2023–2025

Active

28

Tracks

View Julian Fijma’s profile

Quick answers.

What BPM is Optional Illusion?

130 BPM — squarely in minimal / deep tech territory, mixable within roughly 125–135 BPM without pitch artefacts.

What key is Optional Illusion in?

G Major — 9B on the Camelot wheel. Harmonically compatible with 9A, 8B and 10B.

What mixes well with Optional Illusion?

Tracks in 9B, 9A, 8B or 10B between ~125–135 BPM.

Where does Optional Illusion fit in a DJ set?

Mid-set energy builder — 67% energy with strong groove pushes the floor forward without peaking. Save peak-time slots for higher-drive records.

Explore: 130 BPM tracks · 9B tracks · 9B → 9A key pair · Harmonic mixing guide · Minimal Techno mixing guide

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Album artwork via Spotify® and Beatport

Music previews provided courtesy of iTunes · Listen on Apple Music

Mixes well with this track

647 tracks in its harmonic window.

Every candidate scored on key, tempo, energy, groove, mood and vocals — the top 5, ranked.

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Key jump · same BPM — seamless blend

90

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Same key · -2 BPM — seamless blend

90

U Doin It?

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130 BPM · 10A · Minimal / Deep Tech

Key jump · same BPM — seamless blend

90

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129 BPM · 9B · Minimal / Deep Tech

Same key · -1 BPM — seamless blend

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VNSSA

130 BPM · 9B · Tech House

Same key · same BPM — seamless blend

Mixing out of this track.

Now130 BPM · 9B→ three ways forward
Hold the groove

9B → 9B

Same key, ±2 BPM. With 98% groove and heavy bass, long blends work — cut the incoming bass until the switch.

She Wants Bass

Kolter · 128 BPM · 9B

90 chemistry

Push the energy

9B → 9A

Relative minor — darker key, same tonal centre. Pair it with a higher-energy record and the floor keeps moving.

Revitalize

Jacob Matthews · 132 BPM · 9A

86 chemistry

Change direction

9B → 8B · 10B

Adjacent keys through a breakdown. This one runs 6:02 — the outro gives you a full phrase to work with.

London's On Fire - Extended Mix

Chris Lorenzo · 130 BPM · 10B

85 chemistry

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