4B — A♭ major
Camelot 4B · A♭ · Open Key 9d · 3 safe moves · 3 energy moves
What mixes with 4B
Every key below shares enough notes with A♭ major to hold a blend. The wheel is ordered so neighbours are related, not so numbers are: 4B sits one step from 5B and 3B, and directly across the letter from 4A.
- 4AFm
Relative minor · Relative minor
Same notes, darker mood. Good for pulling the room back down after a peak.
- 5BE♭
One step up · +1 · up a fifth
One step clockwise. The classic smooth move — a small, almost invisible lift.
- 3BD♭
One step down · −1 · down a fifth
One step counter-clockwise. Same smoothness, softer landing.
- 6BB♭
Energy boost · +2 · energy boost
Two steps clockwise. Noticeably brighter and more urgent — the standard build move.
- 2BF♯
Energy drop · −2 · energy drop
Two steps back. Drains tension fast. Use after a peak, not during one.
- 11BA
Mood change · +7 · mood change
Seven steps clockwise. A hard mood swap that still works — reach for it once a set.
- 5ACm
Diagonal up · Diagonal
Works when the melody is thin. Test it before you trust it in a set.
- 3AB♭m
Diagonal down · Diagonal
Works when the melody is thin. Test it before you trust it in a set.
What clashes
Distance on the wheel is dissonance. Put 9B under 4B and the two tracks disagree about which notes are in the key — a sour, unsettled sound that no amount of EQ fixes. Anything three or more steps away on the same letter does it.
- 9BG
Avoid · Clash
5 steps away. The two tracks fight — this is the sound you’re learning to avoid.
The notes in A♭ major
- A♭
- B♭
- C
- D♭
- E♭
- F
- G
Seven notes, one of each letter. Two keys mix when these sets overlap: 4B and 4A contain exactly the same seven, which is why the relative move is free.
The loop the trainer plays in 4B
- A♭I
- E♭V
- Fmvi
- D♭IV
Four bars, one chord each — the same progression in every key and every genre, so the only thing that changes when you move round the wheel is the key itself. That is the whole point: it trains the ear on the move, not on the track.
Hear 4B in the trainerQuestions
- What key is Camelot 4B?
- 4B is A♭ major, written A♭. In Open Key notation — Traktor, Beatport — the same key is 9d.
- What keys mix with 4B?
- 4A, 5B, 3B are the safe moves: the relative minor, and one step either way round the wheel. 4B under 4B is free, of course. 6B and 2B are the two-step energy moves — bigger lift, bigger drop, still harmonically sound.
- Which keys clash with 4B?
- Anything more than two steps away on the same letter. 9B is the classic example: 5 steps away. The two tracks fight — this is the sound you’re learning to avoid.