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What the Camelot wheel is
DJs who mix in key use a simple map called the Camelot wheel. It turns every musical key into a short code made of a number from 1 to 12 and a letter, A or B. The letter B means major, and the letter A means minor. So C major becomes 8B, and A minor becomes 8A. The number tells you where the key sits on the wheel, and the letter tells you whether the key sounds bright or dark. Once you know the code for a track, you can see at a glance which other tracks will mix with it smoothly.
The wheel works because keys that sit next to each other share most of their notes. Moving one step around the wheel changes only one note in the scale, so the two keys blend without clashing. Moving to the same number with the other letter switches between a major key and its relative minor, which also shares all the same notes. That is why harmonic mixing feels so smooth: you are not guessing, you are following notes that already agree.
How to use the converter
- Pick the root note of your track, for example C, F sharp, or E flat.
- Pick major or minor. Most dance tracks state this in the track info, or you can hear it: major sounds bright, minor sounds darker.
- Read the Camelot code, plus the three codes that mix with it: the neighbours on each side and the same number with the other letter.
- If you only have a code, use the reverse converter: enter the number and letter to get the key back.
A worked example
Suppose your track is in A minor. The converter gives 8A. Its harmonic neighbours are 7A (D minor), 9A (E minor), and 8B (C major). Any track in one of those four keys will mix with your track without a key clash. Now suppose the next track you love is in E minor, which is 9A. That is one step from 8A, so the mix works. But if the next track is in B flat minor, which is 3A, the keys are far apart on the wheel, and the mix will probably sound wrong unless you change the pitch or pick a different track.
The converter also shows the relative key. Every major key has a relative minor that shares its notes, and every minor key has a relative major. C major and A minor are relatives, both 8 on the wheel, one B and one A. Switching between relatives is one of the safest moves in a set, and it is a good way to change the mood from bright to dark without breaking the flow.
Rules DJs actually follow
- Stay on the same code or move one step in either direction. That is the core rule of harmonic mixing.
- Switch the letter at the same number to change mood while keeping the notes.
- Move two steps only for a short, planned energy jump, and be ready to cut quickly if it sounds off.
- Never trust the code alone. If a track is wrongly tagged, your ears will tell you before the wheel does.
Common mistakes
The most common mistake is mixing the letters up. 8A and 8B are relatives and mix well, but 8A and 9B are not neighbours in the same way, and the result can clash. Another mistake is forgetting that the wheel assumes standard tuning. If a track is pitched up or down by more than a semitone, its real key has moved, and the code no longer applies. That is where a BPM key shift calculator helps: it tells you how far the key moves when you change tempo without key lock.
Finally, remember that harmonic mixing is a guide, not a law. Some of the best transitions break the rule on purpose, with a fast cut, a filter sweep, or a drop that resets the energy. Use the wheel to plan the smooth path, and break it only when you mean to. This tool simply does the lookup fast, so you can spend your time choosing tracks instead of memorising a wheel.