Key & Harmony

Key Compatibility Checker

Can you mix different keys without a key clash? Enter two keys to find out. This harmonic key checker works with Camelot codes, Open Key, and standard musical keys.

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Key A

Key B

Compatibility Rules

Same key -perfect harmonic match, guaranteed to sound smooth
Adjacent (+1 or -1) -subtle key change, barely noticeable to most listeners
Relative major/minor -same number, different letter (A↔B). Changes the energy without clashing harmonically
Everything else -may clash. Not impossible, but requires careful EQ and timing

For the full wheel view, see the interactive Camelot wheel; for the complete 24-key reference, see the cheat sheet. For a live-set walkthrough, see how to use the Camelot Wheel.

Advanced Key Mixing Techniques

Energy boost: Jump +7 on the Camelot wheel (e.g., 5A → 12A) for a dramatic key lift that energizes the dancefloor
Diagonal mixing: Move +1 and switch letter (e.g., 8A → 9B) for a double shift in both key and energy
Bass swap: When keys clash, cut the bass of the incoming track during the blend and only bring it in after the outgoing track drops out
Acapella bridges: Use vocal-only sections to bridge incompatible keys -vocals are more forgiving than full harmonic content

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Frequently Asked Questions

Yes, but not all key combinations sound good. Keys that are adjacent on the Camelot wheel (±1 or same number A↔B) blend smoothly. Keys further apart on the wheel will likely clash, though quick transitions, EQ techniques, or acapella-only blends can still work.

Mixing incompatible keys creates harmonic dissonance -the melodies and basslines of the two tracks will clash audibly, producing an unpleasant or tense sound. The effect is more noticeable during long blends and less noticeable during quick cuts or when only drums are playing.

8A and 9B are a diagonal move — shifting up one number and switching from minor to major at the same time. It's a bolder energy change than a straight ±1 or A↔B move, and it works when you want a lift in both key and mood. Most DJs treat it as advanced but safe; the harmonic distance stays within one step of the wheel.

A minor is 8A on the Camelot wheel. Its compatible keys are: 8A (same), 7A (D minor), 9A (E minor), and 8B (C major, the relative major). For a bigger shift, the +7 energy boost from 8A lands on 3A (B♭ minor). All other keys will clash unless you use EQ or quick-cut techniques.

Yes — the cleanest major↔minor move is staying on the same number and switching A (minor) ↔ B (major). So 8A (A minor) ↔ 8B (C major) is a smooth transition because they share most of the same notes. Moving between major and minor with a different number will usually clash.

DJ software like Rekordbox, Traktor, Serato, and Mixed In Key automatically analyze and tag the key when you import a track. For songs not in your library, Tunebat and Songdata.io detect key from audio streams. Once you know the key, paste it into this checker to see which other tracks will mix smoothly.

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