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Guitar · ninth

B9 Chord on Guitar

Bb Dominant 9th is Bb, D, F, Ab, C — the 1-3-5-b7-9 pattern of a ninth chord. There are 2 ways to play it on guitar, ranked below from easiest to hardest.

Good news: Bb9 has an open shape on guitar, so you can play it without barring anything. Start there and work up the neck later.


Start hereMovable Root-5 Shape (1st fret)

Open shape — open strings ring right through it and there is nothing to barre. If you only learn one, learn this one.

×1222EADGBE
Movable Root-5 Shape (1st fret)
Press play to hear Bb9 the way this shape actually sounds.

Easier ways to play it 2 shapes, easiest first

Same chord in all of them. What changes is how much your hand has to do and where on the neck it sits.

  1. ×1222EADGBE
    Movable Root-5 Shape (1st fret)

    Way 1 of 2

    Movable Root-5 Shape (1st fret)

    Easiest here· intermediate· the standard shape

    Open shape — open strings ring right through it and there is nothing to barre. If you only learn one, learn this one.

  2. 6fr131214EADGBE
    E Shape Barre (6th fret)

    Way 2 of 2

    E Shape Barre (6th fret)

    advanced

    Barre at fret 6 — the same movable idea, further up the neck: brighter, more compact, and easier to reach if you are already playing up there.

What beginners get wrong

Moving in and out of it

The shape above: Movable Root-5 Shape (1st fret) — open position, so several strings ring unfretted — barred at fret 1.

Listening: each shape above has its own play button, and each one plays the notes that shape actually produces — not a generic triad.

Bb9 on other instruments

Same notes, different hands. Every link below is a real page with diagrams and audio.

Piano

B9 on piano

4 voicings · easiest is intermediate

Ukulele

B9 on ukulele

1 voicing · easiest is advanced

Mandolin

B9 on mandolin

1 voicing · easiest is advanced

Or see Bb Dominant 9th on every instrument at once.

Chords next door

Same root, different colour — and all of them playable on guitar.

B

Bb Major

Bm

Bb Minor

Bdim

Bb Diminished

Baug

Bb Augmented

Bsus2

Bb Suspended 2nd

Bsus4

Bb Suspended 4th

Bb9 on Guitar — questions people ask

What is the easiest way to play Bb9 on guitar?

“Movable Root-5 Shape (1st fret)” — which we rate intermediate — is the easiest Bb9 shape on guitar. Open shape — open strings ring right through it and there is nothing to barre. If you only learn one, learn this one.

What notes are in the Bb Dominant 9th chord?

Bb Dominant 9th is Bb, D, F, Ab, C — the 1-3-5-b7-9 interval pattern of a ninth chord. Every voicing on this page uses those notes and nothing else; they just appear in a different order and octave.

How many ways can you play Bb9 on guitar?

This page has 2 Bb9 voicings for guitar, ranked from easiest to hardest: Movable Root-5 Shape (1st fret), E Shape Barre (6th fret). They all sound like Bb9; the differences are how hard they are to hold and how high they sit.

What can I play instead of Bb9?

The nearest stand-ins on guitar that keep the same root are Bbsus4, Bbsus2, Bb. They keep the root and the fifth and only change what sits in the middle, so most songs still work — but check the swap against the melody, because the note you removed may be the one the tune is singing.

Can I play Bb9 on other instruments?

Yes. Bb9 is the same set of notes everywhere; only the fingering changes. This site has diagrams and audio for it on piano, ukulele, mandolin.

Learn the theory behind Bb9

The shape gets your fingers there. These explain why it sounds the way it does.

Barre Chords — The Wall Every Guitarist Climbs

This one asks for a barre. The article is the fix for the buzzing and the aching hand.

7 min read

Functional Harmony: Three Roles, One Engine

What a seventh chord is for — tension, resolution, and the seat it takes in the key.

6 min read

The 12-Bar Blues — Three Chords, A Century of Hits

Seventh chords are the whole sound of the blues. Twelve bars is where to hear it.

7 min read

Written and checked by Jake Dahn. Every voicing on this page is re-derived from the instrument’s tuning before it is published, so the diagram and the audio always agree. No ads, no sign-up, no paywall.