HandyChords

A9 chord on guitar

A Dominant Ninth. Notes: A, C#, E, G and B.

A9 guitar chord diagram, fret 2 position2fr4AR3C#31E5AC#EGBE
Fret 2 position · Easy

How to play A9

  1. Put your index finger on the 4th (D) string at fret 2 (E).
  2. Put your ring finger on the 5th (A) string at fret 4 (C#).
  3. Put your pinky finger on the 6th (low E) string at fret 5 (A).
  4. Let the open G, B and high E strings ring.
  5. Strum from the low E string down.
Lowest note: A (the root)Strings played: 6 of 6Other voicings: 3 below

All 4 ways to play A9

Easiest first. Tap play to hear each one.
A9 guitar chord, fret 2 position2fr4AR3C#31E5AC#EGBE

Fret 2 position

Easy
A9 guitar chord, barre at fret 2×1E53B91C#32Gb7AEBC#G

Barre at fret 2

Medium
A9 guitar chord, barre at fret 55fr1AR3E51Gb72C#31E54B9AEGC#EB

Barre at fret 5

Hard
A9 guitar chord, barre at fret 1211fr×2AR1C#33Gb73B93E5AC#GBE

Barre at fret 12

Hard

Notes and theory

Aroot
C#3 · major third
E5 · perfect fifth
Gb7 · minor seventh
B9 · ninth

The dominant ninth is a seventh chord with a ninth on top. It is a funk and blues favorite with a fuller sound than a plain 7. The formula is 1 3 5 b7 9.

A9 on ukuleleA9 on piano

More A chords

All A guitar chords
A guitar chord diagram×1E52AR3C#3AEAC#EAmajorAm guitar chord diagram×2E53AR1Cb3AEACEAmminorA7 guitar chord diagram×2E53C#3AEGC#EA7dominant seventhAm7 guitar chord diagram×2E51Cb3AEGCEAm7minor seventhAmaj7 guitar chord diagram×2E51G#73C#3AEG#C#EAmaj7major seventhAsus4 guitar chord diagram×1AR2D4ADADEAsus4suspended fourthAsus2 guitar chord diagram×2E53ARAEABEAsus2suspended secondAdim guitar chord diagram××1Ebb53AR2Cb3AEbACAdimdiminishedAaug guitar chord diagram×4F#52AR3C#31F#5AFAC#FAaugaugmentedA6 guitar chord diagram×1E51AR1C#31F#6AEAC#F#A6major sixthAadd9 guitar chord diagram×1E53B92C#3AEBC#EAadd9added ninthAm7b5 guitar chord diagram××2Ebb53Cb3AEbGCAm7b5half-diminishedAdim7 guitar chord diagram×1Ebb53AR2Cb34Gbbb7AEbACGbAdim7diminished seventhA7sus4 guitar chord diagram×2E53D4AEGDEA7sus4dominant seventh suspended fourthA5 guitar chord diagram××××1E5AEA5power chordAm6 guitar chord diagram×2E53AR1Cb34F#6AEACF#Am6minor sixthAm9 guitar chord diagram×2E54B91Cb33Gb7AEBCGAm9minor ninthAmaj9 guitar chord diagram×1E53B91C#34G#7AEBC#G#Amaj9major ninth

dominant ninth chords in every key

C9C#9D9D#9E9F9F#9G9G#9A9A#9B9

Questions

What notes are in the A9 chord?

A9 (A dominant ninth) is made of five notes: A (root), C# (major third), E (perfect fifth), G (minor seventh) and B (ninth).

How do you play A9 on guitar?

The easiest A9 is the "fret 2 position" shape. Put your index finger on the 4th (D) string at fret 2 (E). Put your ring finger on the 5th (A) string at fret 4 (C#). Put your pinky finger on the 6th (low E) string at fret 5 (A).

Is A9 hard to play on guitar?

No. The easiest version is rated easy and uses 3 fretted notes plus open strings.

What does a dominant ninth chord sound like?

The dominant ninth is a seventh chord with a ninth on top. It is a funk and blues favorite with a fuller sound than a plain 7.