A13b9

Dominant 13th Flat 9

Jazz

Click keys to experiment with the chord

Notes

1•A43•C#55•E5b7•G5b9•A#513•F#6

Formula

1 – 3 – 5 – b7 – b9 – 13

Intervals: 0 semitones, 4 semitones, 7 semitones, 10 semitones, 13 semitones, 21 semitones

Practice Note

Common dominant chord in minor-key ii-V-I progressions.

About A13b9

The A13b9 chord sounds colorful and expressive. It is built from the notes A, C#, E, G, A#, F#, stacking 6 tones to create its distinctive sound. This chord is commonly heard in jazz.

Notes: A – C# – E – G – A# – F# | Formula: 1 – 3 – 5 – b7 – b9 – 13

Related Chords

Dominant 13th Flat 9 in other keys

C13b9 Db13b9 D13b9 Eb13b9 E13b9 F13b9

Other A chords

A5 — Power Chord A6 — Major 6th A7 — Dominant 7th A9 — Dominant 9th A11 — Dominant 11th A13 — Dominant 13th A — Major Am — Minor

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