What harmonic mixing is
Two tracks in the same key, or in closely related keys, sound smooth when they overlap. Two tracks in clashing keys sound sour in the transition, like two singers slightly out of tune.
Harmonic mixing just means picking a next track whose key fits the one playing. The catch is that key names like "A minor" or "F♯ major" don't tell you what goes with what. You need music theory to know A minor works with C major. The Camelot wheel exists to skip that step.
Reading Camelot codes
The Camelot wheel arranges all 24 keys into 12 "hours", like a clock face. Each hour has two rings:
- A is the minor key, usually darker and moodier.
- B is the major key, usually brighter and happier.
So 8A is A minor and 8B is C major. You never need the key names, only the number and the letter.
| Code | Key | Code | Key |
|---|---|---|---|
| 1A | A♭ minor | 1B | B major |
| 2A | E♭ minor | 2B | F♯ major |
| 3A | B♭ minor | 3B | D♭ major |
| 4A | F minor | 4B | A♭ major |
| 5A | C minor | 5B | E♭ major |
| 6A | G minor | 6B | B♭ major |
| 7A | D minor | 7B | F major |
| 8A | A minor | 8B | C major |
| 9A | E minor | 9B | G major |
| 10A | B minor | 10B | D major |
| 11A | F♯ minor | 11B | A major |
| 12A | D♭ minor | 12B | E major |
Three safe moves
From the track that's playing, the next one is in a compatible key when it is:
- The same code. 8A to 8A. Always safe.
- One number away, same letter. 8A to 7A or 9A. Still seamless, with a slight change of color.
- The same number, other letter. 8A to 8B. Minor to major or back, so the mood clearly lifts or darkens.
It's a circle, so one step from 12A is 11A and also 1A.
Energy boost moves
Two jumps break the rules above, and DJs use them on purpose to lift a room:
- Up 2 numbers, same letter (8A to 10A): the next track is a whole step higher. It feels like the whole set moves up a gear.
- Up 7 numbers, same letter (8A to 3A): a half step higher. Sharper, best at a peak with a quick transition.
Use them sparingly. They work with a tight transition and get exposed in a long blend.
When to break the rules
Camelot is a guide, not a law.
- Drum-heavy tracks with little melody, like tools or minimal tech house, barely clash at all.
- A quick cut through a breakdown, or a hard cut with an effect, hides two keys that don't match.
- Melodic tracks and long vocals are where sticking to the rules pays off.
One more thing: software key detection isn't 100% right. Before the gig, check the transition on headphones.
Faster with TaxonomyDJ
To use Camelot, your whole library needs keys first. TaxonomyDJ detects BPM, key, and Camelot for every track, over 100 tracks a minute, for free. Camelot codes are color-coded around the wheel, so you see what fits at a glance. Right-click a track ▸ Filter harmonic matches to list exactly the safe next tracks.
Read next: how to find the key of a song and why the key stays put when you change tempo.