Chord · 9ths

F9♭5 — F Dominant 9th ♭5

F9♭5 is the F dominant 9th ♭5 chord. It is built on the root F with major 3rd (A), diminished 5th (C♭), minor 7th (E♭) and major 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 F9♭5.

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

On the keyboard

F9♭5 on the piano keyboard: F A C♭ E♭ GFAC♭E♭G

The notes of F9♭5

DegreeNoteInterval from the rootPitch
1FrootF4
3Amajor 3rdA4
♭5C♭diminished 5thC♭5
♭7E♭minor 7thE♭5
9Gmajor 9thG5

Other 9ths on F

Dominant 9th ♭5 chords on every root

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