A7b9 chord on guitar

A Dominant Seventh Flat Nine. Notes: A, C#, E, G and Bb.

A7b9 guitar chord diagram, barre at fret 2×1E52Bbb91C#33Gb7AEBbC#G
Barre at fret 2 · Medium

How to play A7b9

  1. Lay your index finger flat across the 4th (D) to the 2nd (B) string at fret 2. This is the barre.
  2. Put your middle finger on the 3rd (G) string at fret 3 (Bb).
  3. Put your ring finger on the 1st (high E) string at fret 3 (G).
  4. Let the open A string ring.
  5. Don't play the low E string: skip it or mute it with a fretting finger.
  6. Strum from the A string down.
Lowest note: A (the root)Strings played: 5 of 6Other voicings: 3 below

All 4 ways to play A7b9

Easiest first. Tap play to hear each one.
A7b9 guitar chord, barre at fret 2×1E52Bbb91C#33Gb7AEBbC#G

Barre at fret 2

Medium
A7b9 guitar chord, barre at fret 66fr××2AR1C#33Gb71Bbb9AC#GBb

Barre at fret 6

Medium
A7b9 guitar chord, barre at fret 55fr1AR4E51Gb72C#31E53Bbb9AEGC#EBb

Barre at fret 5

Hard
A7b9 guitar chord, barre at fret 1111fr×2AR1C#33Gb71Bbb94E5AC#GBbE

Barre at fret 11

Hard

Notes and theory

Aroot
C#3 · major third
E5 · perfect fifth
Gb7 · minor seventh
Bbb9 · flat ninth

The 7b9 chord adds a flat ninth to a dominant seventh. It pulls strongly to a minor chord and is common in jazz and flamenco. The formula is 1 3 5 b7 b9.

More A chords

All A guitar chords

dominant seventh flat nine chords in every key

Questions

What notes are in the A7b9 chord?

A7b9 (A dominant seventh flat nine) is made of five notes: A (root), C# (major third), E (perfect fifth), G (minor seventh) and Bb (flat ninth).

How do you play A7b9 on guitar?

The easiest A7b9 is the "barre at fret 2" shape. Lay your index finger flat across the 4th (D) to the 2nd (B) string at fret 2. This is the barre. Put your middle finger on the 3rd (G) string at fret 3 (Bb). Put your ring finger on the 1st (high E) string at fret 3 (G).

Is A7b9 hard to play on guitar?

A7b9 has no open-string shape, so every version needs a barre or a stretch. The easiest one is rated medium.

What does a dominant seventh flat nine chord sound like?

The 7b9 chord adds a flat ninth to a dominant seventh. It pulls strongly to a minor chord and is common in jazz and flamenco.