What Key Is 4A?
4A is F minor on the Camelot wheel (9m in Open Key notation). It mixes harmonically with 3 other keys: one step down for an energy drop, one step up for an energy boost, and the opposite letter on the same number for a mood swap.
- Camelot code
- 4A
- Musical key
- F minor
- Open key
- 9m
- Track sample
- View 16 reference tracks
Camelot compatibility is a planning aid. Verify critical transitions against the exact track edit in your own library.
4A Is F minor
On the Camelot wheel, 4A is the code for F minor. In Open Key notation it's 9m. The “A” letter marks minor mode — darker, more emotional in feel — and the number 4 sets its position on the wheel.
The relative major is 4B (A♭ major) — it shares all the same notes as F minor but flips the mode, which is why DJs use it for “mood swap” transitions.
Track Evidence for 4A
The Camelot relationship is fixed music theory, but track examples still depend on the analysis source and exact edit. These stats describe the F minor tracks shown here.
- Tracks shown
- 16
- BPM spread
- 88-174 BPM
- Median BPM
- 127 BPM
- Mode
- Minor / darker
- Common genres
- Deep House, Synthwave, Hi-NRG
- Evidence level
- 16 tracks, reviewed by key
Tracks in 4A (F minor), by Genre
Reference tracks that sit in F minor, grouped by genre:
Hi-NRG
Mixing Out of 4A
Three keys mix smoothly with 4A, each producing a different effect on a set's energy:
Why These Keys Work Together
The three compatibility moves on the Camelot wheel aren't arbitrary — they reflect real music theory. Adjacent keys (number ±1, same letter) share six of seven notes, which is why melodies ride over the boundary without clashing. The opposite-letter same-number move is the relative major/minor — those two keys share all seven notes, only the tonal center shifts. That's why mood-swap transitions feel jarring in mood but never harmonically wrong: the underlying scale is identical.
How to Use 4A in a Mix
Build sets that move through the wheel rather than jumping randomly: see the interactive Camelot wheel for a visual map.
When in doubt about a track's key, run it through the key converter to translate between Camelot, Open Key, and standard musical notation.
Want to see the full grid of compatible keys at a glance? The harmonic mixing chart lays it all out, and the Camelot wheel cheat sheet is printable for offline use.
Read the deeper theory in our harmonic mixing guide.
Hey, it's Ben Modigell 👋
I've been DJing and producing music as "so I so," focusing on downtempo, minimal, dub house, tech house, and techno. My background in digital marketing, web development, and UX design over the past 6 years helps me create DJ tutorials that are clear, practical, and easy to follow.
Author and Methodology
Maintained by Ben Modigell
Ben is the founder of Vibes and builds DJ library, preparation, BPM, and harmonic-mixing tools for working DJs.
Last updated:
Data used: 290-track reference snapshot; this page filters the 16 entries tagged 4A (F minor).
Evidence: 16 reference tracks in the current snapshot are tagged 4A. BPM/key values come from ReccoBeats audio features and track metadata is resolved through Spotify.
Source: Audio features sourced from ReccoBeats (https://reccobeats.com); track metadata via Spotify Search API. Spotify deprecated audio-features for new apps in Nov 2024. Manual label reference tracks use Beatport BPM/key metadata where available.
How this page is made: Camelot key pages are generated from deterministic Camelot/Open Key mappings, harmonic-mixing rules, and a ReccoBeats/Spotify reference track snapshot. AI is not used to calculate key compatibility.
Camelot compatibility is deterministic music theory; track keys still depend on the analysis engine and the specific edit or remaster.
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