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F♭7♭9 Chord: Guitar, Piano and Notes

The F♭7♭9 chord is a altered dominant seventh chord built on the root note F♭. Its notes are F♭, A♭, C♭, E𝄫 and G𝄫. It's enharmonically the same chord as E7♭9.

Transpose
Quality
Short answer

Dominant seventh flat nine chords sound dark and urgent. Stacking a minor ninth on a dominant seventh tightens the tension already built into the tritone, which makes the chord a strong pull toward a minor tonic.

Notes
F♭ · A♭ · C♭ · E𝄫 · G𝄫
Formula
1 · 3 · 5 · ♭7 · ♭9
Semitones
0 · 4 · 7 · 10 · 13
Note
F♭
Quality
Dominant 7♭9
Symbol
F♭7♭9

F♭7♭9 on piano

5 notes
View:
Piano diagram of the F♭7♭9 chord

Switch to the interactive diagram to hear the chord, change voicing and swap finger numbers for note names.

To play F♭7♭9 on piano, place your right hand with your thumb on F♭, index finger on A♭, middle finger on C♭, ring finger on E𝄫 and little finger on G𝄫. Press the keys together and listen for an even sound. On the keyboard A♭ is a black key and F♭, C♭, E𝄫 and G𝄫 are white, the keys you'd normally call E, B, D and F. Practice moving in and out of the chord slowly, then bring in a metronome.

  • F♭1
  • A♭3
  • C♭5
  • E𝄫♭7
  • G𝄫♭9

F♭7♭9 on guitar

View:
Guitar chord diagram of the F♭7♭9 chord

Switch to the interactive diagram to hear the chord, change voicing and swap finger numbers for note names.

On guitar, F♭7♭9 is commonly played with the voicing shown above. The fretted notes sit between frets 1 and 2. Strings 6, 4 and 2 ring open.

F♭ · A♭ · C♭ · E𝄫 · G𝄫

Try F♭7♭9 on the virtual piano

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F♭7♭9 chord notes

Also known as E7♭9

DegreeIntervalSemitonesNoteHear
1Root0F♭(Fb)
3Major third4A♭(Ab)
5Perfect fifth7C♭(Cb)
♭7Minor seventh10E𝄫(Ebb)
♭9Minor ninth13G𝄫(Gbb)

How to use the F♭7♭9 chord

The F♭7♭9 chord is built from a root, a major third, a perfect fifth, a minor seventh and a minor ninth. Start at the root F♭ and stack the intervals to get the whole chord: F♭, A♭, C♭, E𝄫 and G𝄫. The same formula gives you the chord in any other key.

Dominant seventh flat nine chords are the classic altered dominant of bebop and gospel, most often the V7 of a ii-V-i in a minor key. Gospel piano voices this chord thick under the vocal line right before it resolves.

How F♭7♭9 differs from similar chords

F♭7♭9 is F♭7 with a minor ninth, a half step above the root, where F♭9 has a major ninth. Leave out the root and the other four notes form a diminished seventh chord a major third up. That is why it pulls so hard towards a minor chord a fifth below.

Where F♭7♭9 is used

No progression is shown for this spelling

Every key F♭7♭9 would have a function in has a tonic that needs a double accidental, which is not a key this library teaches. The enharmonic spelling carries the same chord in a key that exists.

Questions people ask

What notes are in the F♭7♭9 chord?
The F♭7♭9 chord contains F♭, A♭, C♭, E𝄫 and G𝄫 (Fb, Ab, Cb, Ebb and Gbb in plain text).
Is the F♭7♭9 chord major or minor?
F♭7♭9 is a altered dominant seventh chord. Dominant seventh flat nine chords sound dark and urgent. Stacking a minor ninth on a dominant seventh tightens the tension already built into the tritone, which makes the chord a strong pull toward a minor tonic.
How do you play F♭7♭9 on piano?
Place your fingers on F♭, A♭, C♭, E𝄫 and G𝄫 and play them together. The root usually goes to the little finger of the left hand, the upper notes to the right. On the keyboard A♭ is a black key and F♭, C♭, E𝄫 and G𝄫 are white, the keys you'd normally call E, B, D and F.
How do you play F♭7♭9 on guitar?
Use the fingering in the diagram above. The fretted notes sit between frets 1 and 2. Strings 6, 4 and 2 ring open.
What is another name for the F♭7♭9 chord?
F♭7♭9 is enharmonically equivalent to E7♭9. Both chord names describe exactly the same notes, but the spelling depends on the key you are playing in.