Chord · 9ths

F9sus4 — F 9th Sus 4

F9sus4 is the F 9th sus 4 chord. It is built on the root F with perfect 4th (B♭), perfect 5th (C), minor 7th (E♭) and major 9th (G) above it — the formula 1 4 5 ♭7 9, sounding the notes F B♭ 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 F9sus4.

Root
F
Quality
9th Sus 4
Formula
1 4 5 ♭7 9
Notes
F B♭ C E♭ G

On the keyboard

F9sus4 on the piano keyboard: F B♭ C E♭ GFB♭CE♭G

The notes of F9sus4

DegreeNoteInterval from the rootPitch
1FrootF4
4B♭perfect 4thB♭4
5Cperfect 5thC5
♭7E♭minor 7thE♭5
9Gmajor 9thG5

Other 9ths on F

9th Sus 4 chords on every root

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