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B♭ Dominant 9th Chord (B♭9)

Notes: B♭, D, F, A♭, C. Tap any diagram to hear it.

B♭9
Notes
B♭DFA♭C
Formula
1 – 3 – 5 – ♭7 – 9

B♭9 on guitar

Open position · most common
x-1-0-1-1-1
Fret 6
6-8-6-7-6-8
Fret 10
x-13-10-13-11-10

Strings from low (left) to high (right). Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. × = don’t play, ○ = open string.

B♭9 on ukulele

Fret 2 · most common
3-2-4-3
Fret 5
5-8-6-5

B♭9 on piano

Other B♭ chords

B♭B♭mB♭7B♭maj7B♭m7B♭sus2B♭sus4B♭dimB♭augB♭6B♭m6B♭add9B♭7sus4B♭m7♭5B♭dim7

Dominant 9th chords in other keys

C9C♯9D9E♭9E9F9F♯9G9A♭9A9B9

About the B♭ Dominant 9th chord

Dominant ninth chords extend the seventh chord with a ninth, for the rich sound of funk, soul and jazz. B♭9 is built from the root (B♭), major third (D), perfect fifth (F), minor seventh (A♭), major ninth (C).

Frequently asked questions

What notes are in the B♭ Dominant 9th chord?

The B♭9 chord is made of B♭, D, F, A♭, C: the root, major third, perfect fifth, minor seventh, major ninth.

How do you play B♭9 on guitar?

The most common fingering is x-1-0-1-1-1, from the low E string to the high E string (x = don’t play that string, 0 = open string).

How do you play B♭9 on piano?

Press B♭, D, F, A♭, C together. In root position the lowest note is B♭.