Guitar Wiz App Icon Guitar Wiz
Download on the App Store
Chord chart for B major 9 / A♯ (3rd inversion) Guitar Chord: Notes, Shapes & Bass Note | Guitar Wiz

Bmaj9/A♯ guitar shapes

Popular fretboard positions with fingering suggestions

Showing 8 of 44 playable shapes

B major 9 / A♯ (3rd inversion) guitar chord diagram showing fretboard positions
Post WhatsApp Facebook Reddit

About the chord

B major 9 / A♯ (3rd inversion)

Bmaj9/A♯ is the B major 9 / A♯ (3rd inversion) guitar chord with A♯ in the bass. It uses the notes B, D♯, F♯, A♯, and C♯ and the interval formula 1-3-5-7-9.

The B major 9 major 9 chord adds a major ninth C♯ to the major 7th, creating an expansive, ethereal sound. Its rich harmonic structure enhances the major tonality with a modern, sophisticated vibe, ideal for jazz, ambient, and cinematic music. With A♯ in the bass, this voicing functions as the 3rd inversion of B major 9.

Also written as Bmaj9 and BM9/A♯.

Root note: B
Bass note: A♯
Chord tones: 5
Playable shapes: 44

Chord tones

BD♯F♯A♯C♯

Common guitar voicings

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

Shape 1

644446

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

Shape 2

668607

View shape
  1. 1 Place the 1st finger on the 6th fret of the 3rd string, 5th string, and 6th string in barre position.
  2. 2 Place the 2nd finger on the 7th fret of the 1st string.
  3. 3 Place the 3rd finger on the 8th fret of the 4th string.
  4. 4 Strum from the 6th 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.

B Unison (Root) 1

The root anchors the chord and defines its tonal center.

D♯ Major Third 3

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

F♯ Perfect Fifth 5

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

A♯ Major Seventh 7

The major seventh adds a smooth, lush tension close to the root.

C♯ Major Ninth 9

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

Quick answers

What notes are in Bmaj9/A♯?

Bmaj9/A♯ uses the notes B, D♯, F♯, A♯, and C♯. Its interval formula is 1-3-5-7-9.

What is another name for Bmaj9/A♯?

Bmaj9/A♯ is also written as Bmaj9 and BM9/A♯.

How do you play Bmaj9/A♯ on guitar?

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

Related Articles

Articles that reference this chord and explain how to use it in your playing.