Bbaug7 Piano Chord
Combines the tension of an augmented fifth with a dominant seventh. Typical of jazz and blues turnarounds — a chord with a strong pull toward resolution.
Recommended voicing
Bb3 · D4 · F#4 · Ab4
With bass · rootless
Left hand
Ab3 · D4 · F#4
fingers 5–3–1
Right hand
Free
melody / improvisation
Jazz accompaniment with a bass player: the bass supplies the root, leaving the right hand free for melody or improvisation.
Other names for the Bbaug7 chord
Other names: Bb augmented 7th, Bb+7
Music theory name: augmented seventh chord
Common name: Bb augmented seven chord
Notes and intervals in the Bbaug7 chord
| Note | Interval |
|---|---|
| Bb | Root |
| D | Major 3rd |
| F# | Augmented 5th |
| Ab | Minor 7th |
Inversions
1st inversion
D4 · F#4 · Ab4 · Bb4
2nd inversion
F#4 · Ab4 · Bb4 · D5