The Eb Augmented 7th chord in root position on a piano keyboard, notes Eb, G, B, Db.
The E♭ Augmented 7th chord is a four-note chord made up of E♭, G, B, and D♭. It is built from a root, major third, augmented fifth, and minor seventh.
Notes
Notes:E♭ – G – B – D♭
E♭ Augmented 7th Inversions
The Eb Augmented 7th chord, 1st inversion, on a piano keyboard.The Eb Augmented 7th chord, 2nd inversion, on a piano keyboard.The Eb Augmented 7th chord, 3rd inversion, on a piano keyboard.
Position
Notes
Root Position
E♭ – G – B – D♭
1st Inversion
G – B – D♭ – E♭
2nd Inversion
B – D♭ – E♭ – G
3rd Inversion
E♭ – G – B – D♭
Key Signature
A Augmented 7th chord is built from symmetrical or ambiguous intervals, so it doesn’t belong to a single key and has no key signature of its own.
The notes E♭ – G – B – D♭ aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell:
The E♭ Augmented 7th is built by stacking intervals from the root note. The formula R-M3-A5-m7 describes the scale degrees used. The intervals P1-M3-A5-m7 show the distance between each note in the chord.
E♭ Augmented 7th — Frequently Asked Questions
What is the E♭ Augmented 7th chord on piano?
The E♭ Augmented 7th chord contains the notes E♭ – G – B – D♭. On piano, play these notes together to sound the chord.
What notes are in the Eb Augmented 7th chord?
The Eb Augmented 7th chord (Eb+7) contains four notes: Eb (root), G (major third), B (augmented fifth), and Db (minor seventh). It combines an augmented triad with a minor seventh.
How does Eb Augmented 7th differ from Eb Dominant 7th?
Both contain Eb, G, and Db. Eb+7 has B (augmented fifth) while Eb7 has Bb (perfect fifth). The raised fifth adds extra tension and upward pull.
How is Eb Augmented 7th used in music?
Eb+7 is an altered dominant resolving to Ab Major. The B pulls up to C while Db pulls down to C — both converge on the third of Ab. Common in jazz and gospel.
What genres use Augmented 7th chords?
Augmented 7th chords are common in jazz, gospel, blues, and R&B for adding emotional intensity to dominant resolutions.
What songs use Augmented 7th chords?
Augmented 7th chords appear in jazz standards and gospel. Eb+7 resolves to Ab Major, a key popular with vocalists and R&B artists.
What is the difference between +7 and 7#5?
They are the same chord. Eb+7, Eb7#5, and Ebaug7 all refer to Eb Augmented 7th.
Practice Tips
Play Eb7 then raise Bb to B — hear the augmented fifth's extra chromatic tension.
Practice Eb+7 → Ab Major. The B and Db both resolve to C — converging voice leading.
Compare Eb+7 with Eb7 — both target Ab, but +7 adds richer colour.
In jazz: Bbm7 → Eb+7 → Abmaj7 adds sophistication to the standard ii–V–I in Ab.
Eb+7 is particularly useful in gospel piano — try it before the tonic for emotional impact.
The augmented triad (Eb–G–B) divides the octave into three equal major thirds.
Keep going with the Augmented 7th chord — these pages cover the underlying theory, the connected reference material, and the practice tools that work with this chord.
The note names, intervals, fingering, and harmony on this chord page are grounded in the following sources. Public domain treatises and scores are linked to their full text; primary data reflects piano.org's own interval-derived dataset.
