How to · Engine DJ

Find harmonic tracks in Engine DJ.

Harmonic mixing keeps transitions smooth by mixing in compatible keys. Here is how Engine DJ helps, and how to plan compatible runs across your library before the gig.

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From the track that is playing to everything that mixes.

Harmonic mixing in Engine DJ.

Engine DJ shows each track's key and supports multiple notations (Camelot, Open Key, or musical). Finding harmonically compatible tracks on the desktop requires manual sorting by the key column; the automated Match filter for compatible keys is an Engine OS hardware feature, not a desktop library button.

Set key notation in Preferences

Open Preferences and choose your preferred key notation: Camelot (e.g. 8A), Open Key, or musical. Camelot is the easiest for quick harmonic comparisons while browsing.

Sort your library or playlist by key

Click the Key column header in the library or playlist view to sort tracks by key. Tracks in compatible Camelot positions (same number different letter, or adjacent numbers) will cluster nearby, letting you scan for harmonic candidates manually. There is no per-track 'compatible lookup' button in the desktop software; that Match filter is available on Engine OS hardware only.

Re-analyze tracks to confirm keys

Because the workflow depends on detected keys, right-click tracks you care about and choose Re-analyze Tracks to apply Engine's improved key algorithm (introduced around v3.2). Wrong detections will produce bad harmonic matches, so spot-check tracks you plan to play next to each other.

Build harmonic run playlists manually

Drag sequences of harmonically compatible tracks into a dedicated playlist so the run is ready on your drive. Since Engine DJ desktop does not offer automated key-based filtering within playlists, this manual curation step is the primary way to preserve a harmonic sequence for a set.

The catch

The desktop relies on manual sorting by key column rather than an automated compatible-key filter; the Match filter (compatible, fuzzy, or exact key) is available on Engine OS hardware but not in the desktop library view. Key detection accuracy improved significantly in v3.2 and later, so re-analyzing your library with the current version gives meaningfully better results than older analyses.

Find compatible

8A120–136 BPM

The faster way

Compatible tracks, planned ahead.

Vibes keys every track accurately on the Camelot wheel, Find Compatible filters your library to mixable tempos and related keys, and Set Designer suggests next tracks with seven harmonic intents.

See how it works

Accurate key on every track, placed on the Camelot wheel

Find Compatible filters the whole library to mixable keys and tempos

Set Designer suggests next tracks with seven harmonic intents

Plan harmonic runs at home, then export to Engine DJ

Organize in Vibes, export to Engine DJ.

Your playlists, tags, ratings, and cue points travel back to the gear you play on, so nothing you do in Vibes is locked away.

Track 001

Artist A

128

Afterhours

Mysterious

Introspective

Track 002

Artist B

124

Cozy Floor

Peaceful

Home

Track 003

Artist C

132

Rave

Aggressive

Festival

Build & Release

Playlists

Vibes

Mood

Aggressive

Euphoric

Melancholic

Mysterious

Peaceful

Playful

Tense

Function

Arrangement

Sets

Club Night 12/28

NYE Closing Set

Rooftop 01/04

Frequently asked questions

The honest answers, including the trade-offs.

Engine shows keys and offers a compatible-track lookup, but it is only as good as the detected keys, and Engine's detection is on the weaker side, so confirm important keys first.

Vibes keys every track accurately, and Find Compatible filters your whole library to mixable tempos and related keys, while Set Designer suggests next tracks with seven harmonic intents.

No. The Camelot system means compatible keys are adjacent numbers. Vibes places every track on the wheel so the safe and creative options are visible without theory.

Methodology