Article
How to Read Guitar Chord Diagrams
Learn how to read guitar chord diagrams quickly. Understand dots, numbers, Xs, Os, and finger positions so you can play any chord chart at sight.
B♭aug7/A♭ guitar shapes
Popular fretboard positions with fingering suggestions
Showing 8 of 29 playable shapes
About the chord
B♭ augmented 7th / A♭ (3rd inversion)
The B♭ augmented 7th augmented 7th chord combines the augmented triad with a minor seventh A♭, creating a powerful, dissonant tension. Its bold, unresolved sound is frequently used in jazz, blues, and film scores for dramatic impact. With A♭ in the bass, this voicing functions as the 3rd inversion of B♭ augmented 7th.
Root note: B♭
Bass note: A♭
Chord tones: 4
Playable shapes: 29
Chord tones
B♭DF♯A♭
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♯ Augmented Fifth ♯5
The raised fifth adds lift, drama, and a more unsettled color.
A♭ Minor Seventh ♭7
The minor seventh adds bluesy or jazzy tension that wants to move onward.
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