Chord chart for A♭ major add 9 / B♭ (3rd inversion) Guitar Chord: Notes, Shapes & Bass Note | Guitar Wiz

A♭maj(add9)/B♭ guitar shapes

Popular fretboard positions with fingering suggestions

Showing 8 of 36 playable shapes

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A♭ major add 9 / B♭ (3rd inversion) guitar chord diagram showing fretboard positions

About the chord

A♭ major add 9 / B♭ (3rd inversion)

A♭maj(add9)/B♭ is the A♭ major add 9 / B♭ (3rd inversion) guitar chord with B♭ in the bass. It uses the notes A♭, C, E♭, and B♭ and the interval formula 1-3-5-9.

The A♭ major add 9 major add 9 chord extends the major triad with an added ninth B♭, creating a bright, expansive harmony. Unlike the major 9 chord, it lacks the major seventh, offering a fresher, more open sound often used in pop, rock, and jazz for uplifting atmospheres. With B♭ in the bass, this voicing functions as the 3rd inversion of A♭ major add 9.

Also written as A♭maj(add9), A♭add9/B♭, and A♭Madd9/B♭.

Root note: A♭
Bass note: B♭
Chord tones: 4
Playable shapes: 36

Chord tones

A♭CE♭B♭

Common guitar voicings

These are quick-start shapes for players who want the answer first and the deeper theory second.

Shape 666544

666544

View shape
  1. 1 Place the 1st finger on the 4th fret of the 1st string and 2nd string in barre position.
  2. 2 Place the 2nd finger on the 5th fret of the 3rd string.
  3. 3 Place the 3rd finger on the 6th fret of the 4th string, 5th string, and 6th string in barre position.
  4. 4 Strum from the 6th string down.

Shape xx8898

xx8898

View shape
  1. 1 Place the 1st finger on the 8th fret of the 1st string, 3rd string, and 4th string in barre position.
  2. 2 Place the 2nd finger on the 9th fret of the 2nd string.
  3. 3 Strum from the 4th string down.

Notes & Intervals

Each note below shows how the chord is built from its root. This is the theory layer underneath the fretboard shapes.

A♭ Unison (Root) 1

The root anchors the chord and defines its tonal center.

C Major Third 3

This note defines the chord's major quality and brings brightness to the sound.

E♭ Perfect Fifth 5

The fifth reinforces stability and gives the chord its strong harmonic frame.

B♭ Major Ninth 9

The ninth opens the chord up and adds a modern, spacious color.

Shape details

Every shape is shown with its diagram and exact fingering instructions.

A♭maj(add9)/B♭ shape 666544

How to play this shape

  1. 1 Place the 1st finger on the 4th fret of the 1st string and 2nd string in barre position
  2. 2 Place the 2nd finger on the 5th fret of the 3rd string
  3. 3 Place the 3rd finger on the 6th fret of the 4th string, 5th string, and 6th string in barre position
  4. 4 Strum from the sixth string down to the first string

A♭maj(add9)/B♭ shape xx8898

How to play this shape

  1. 1 Place the 1st finger on the 8th fret of the 1st string, 3rd string, and 4th string in barre position
  2. 2 Place the 2nd finger on the 9th fret of the 2nd string
  3. 3 Do not play the sixth and fifth strings
  4. 4 Strum from the fourth string down to the first string

A♭maj(add9)/B♭ shape x11114

How to play this shape

  1. 1 Place the 1st finger on the 1st fret of the 2nd string, 3rd string, 4th string, and 5th string in barre position
  2. 2 Place the 4th finger on the 4th fret of the 1st string
  3. 3 Do not play the sixth string
  4. 4 Strum from the fifth string down to the first string

A♭maj(add9)/B♭ shape x11314

How to play this shape

  1. 1 Place the 1st finger on the 1st fret of the 2nd string, 4th string, and 5th string in barre position
  2. 2 Place the 3rd finger on the 3rd fret of the 3rd string
  3. 3 Place the 4th finger on the 4th fret of the 1st string
  4. 4 Do not play the sixth string
  5. 5 Strum from the fifth string down to the first string

A♭maj(add9)/B♭ shape 636344

How to play this shape

  1. 1 Place the 1st finger on the 3rd fret of the 3rd string and 5th string in barre position
  2. 2 Place the 2nd finger on the 4th fret of the 1st string and 2nd string in barre position
  3. 3 Place the 3rd finger on the 6th fret of the 6th string
  4. 4 Place the 4th finger on the 6th fret of the 4th string
  5. 5 Strum from the sixth string down to the first string

A♭maj(add9)/B♭ shape 666898

How to play this shape

  1. 1 Place the 1st finger on the 6th fret of the 4th string, 5th string, and 6th string in barre position
  2. 2 Place the 2nd finger on the 8th fret of the 3rd string
  3. 3 Place the 3rd finger on the 8th fret of the 1st string
  4. 4 Place the 4th finger on the 9th fret of the 2nd string
  5. 5 Strum from the sixth string down to the first string

A♭maj(add9)/B♭ shape 668898

How to play this shape

  1. 1 Place the 1st finger on the 6th fret of the 5th string and 6th string in barre position
  2. 2 Place the 2nd finger on the 8th fret of the 3rd string and 4th string in barre position
  3. 3 Place the 3rd finger on the 8th fret of the 1st string
  4. 4 Place the 4th finger on the 9th fret of the 2nd string
  5. 5 Strum from the sixth string down to the first string

A♭maj(add9)/B♭ shape xdadbb

How to play this shape

  1. 1 Place the 1st finger on the 10th fret of the 4th string
  2. 2 Place the 2nd finger on the 11th fret of the 1st string and 2nd string in barre position
  3. 3 Place the 3rd finger on the 13th fret of the 5th string
  4. 4 Place the 4th finger on the 13th fret of the 3rd string
  5. 5 Do not play the sixth string
  6. 6 Strum from the fifth string down to the first string

Quick answers

What notes are in A♭maj(add9)/B♭?

A♭maj(add9)/B♭ uses the notes A♭, C, E♭, and B♭. Its interval formula is 1-3-5-9.

What is another name for A♭maj(add9)/B♭?

A♭maj(add9)/B♭ is also written as A♭maj(add9), A♭add9/B♭, and A♭Madd9/B♭.

How do you play A♭maj(add9)/B♭ on guitar?

Place the 1st finger on the 4th fret of the 1st string and 2nd string in barre position. Place the 2nd finger on the 5th fret of the 3rd string. Place the 3rd finger on the 6th fret of the 4th string, 5th string, and 6th string in barre position. Strum from the 6th string down.

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