Bb augmented chord (Bbaug) on guitar and piano

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Bb augmented
The Bb augmented / A# augmented chord (Bbaug) is made of the notes Bb, D and F#. It is built from the root Bb with a major third and an augmented fifth.
The augmented chord is suspended and uneasy: it is mostly used as a passing chord or to build tension.

Bb augmented

Notes: Bb – D – F#
Guitar — positions on the neck
Bbaug××81342
Piano — root position and inversions
BbaugC135Bb D F#BbaugC135D F# BbBbaugC135F# Bb D

Fingerings and positions

On guitar, this chord can be played in 1 ways along the neck. It is most often played with a barre. Example fingering (from the low E string to the high E string, x = muted string): x x 8 11 11 10. On piano, the right hand plays 3 notes, in root position or in an inversion.

Notes and intervals

Note
Interval
Bb
root
D
major third
F#
augmented fifth

Neighbouring chords

Try it in the app

Hear the chords, play them as a progression, switch instrument, note names (Do Ré Mi or C D E) and theme:

Frequently asked questions

What are the notes of the Bb augmented chord?

The notes of the Bb augmented chord (Bbaug) are Bb, D and F#.

How do you play the Bb augmented chord on guitar?

On guitar, this chord can be played in 1 ways along the neck. It is most often played with a barre. Example fingering (from the low E string to the high E string, x = muted string): x x 8 11 11 10.

How is the Bb augmented chord built?

The Bb augmented / A# augmented chord (Bbaug) is made of the notes Bb, D and F#. It is built from the root Bb with a major third and an augmented fifth.

Are Bb and A# the same chord?

Yes: Bb and A# are the same note (they are called enharmonic), so Bb augmented / A# augmented is played exactly the same way, with the same fingerings.