Chord · Altered Dom.

F7♭9 — F Dominant 7th ♭9

F7♭9 is the F dominant 7th ♭9 chord. It is built on the root F with major 3rd (A), perfect 5th (C), minor 7th (E♭) and minor 9th (G♭) above it — the formula 1 3 5 ♭7 ♭9, sounding the notes F A C E♭ G♭. On the piano it sits at F (octave 4) and above in the library's voicing; the same 5 notes in any octave are still F7♭9.

Root
F
Quality
Dominant 7th ♭9
Formula
1 3 5 ♭7 ♭9
Notes
F A C E♭ G♭

On the keyboard

F7♭9 on the piano keyboard: F A C E♭ G♭FACE♭G♭

The notes of F7♭9

DegreeNoteInterval from the rootPitch
1FrootF4
3Amajor 3rdA4
5Cperfect 5thC5
♭7E♭minor 7thE♭5
♭9G♭minor 9thG♭5

Other altered dom. on F

Dominant 7th ♭9 chords on every root

Part of the chord reference. See also the scales and the keys.