Chords

Ab Augmented major seventh suspended fourth

Ab · Db · E · G

Ab Augmented major seventh suspended fourth (Abmaj7#5sus4) is a augmented chord of 4 notes: Ab · Db · E · G.

Also written AbM7#5sus4

Ab Augmented major seventh suspended fourth

Ab · Db · E · G

Play it on your instrument
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Voicings on the piano
VoicingNotesPlay it on your instrument
Closed, root positionAb3 · Db4 · E4 · G4
Open (drop 2)E3 · Ab3 · Db4 · G4
ShellAb3 · Db4 · G4
RootlessDb3 · E3 · G3

Tap a key or a fret to hear it.

Anatomy

Ab Augmented major seventh suspended fourth (Abmaj7#5sus4) contains the notes Ab · Db · E · G, each with a role measured as an interval from the root.

Read on: how triads are built · seventh chords

Inversions

An inversion of Ab Augmented major seventh suspended fourth puts a chord tone other than Ab in the bass; the name after the slash is that bass note.

Where it lives

The keys and the scales Ab Augmented major seventh suspended fourth belongs to.

In which keys

Ab Augmented major seventh suspended fourth is diatonic to 2 keys; the numeral is its degree and the label its harmonic function.

Scales that contain it

Ab Augmented major seventh suspended fourth fits inside these scales, each built on Ab.

Understanding the Ab Augmented major seventh suspended fourth chord

Names and symbols

Abmaj7#5sus4 is the chord symbol for Ab Augmented major seventh suspended fourth; it is also written AbM7#5sus4.

maj7♯5 and +Δ7 both mean this chord. It is not the aug7 of most charts, which carries a minor seventh; the Δ is what marks the major seventh here.

Common questions

What notes are in the Ab Augmented major seventh suspended fourth chord?
The Ab Augmented major seventh suspended fourth chord contains the notes Ab · Db · E · G: the root Ab with the intervals 1P, 4P, 5A, 7M stacked above it. Play them together for the chord or one after another for an arpeggio. The lowest note is normally Ab, but any chord tone can take the bass in an inversion.
What intervals make up the Ab Augmented major seventh suspended fourth chord?
Measured from Ab, the Ab Augmented major seventh suspended fourth chord stacks the intervals 1P, 4P, 5A, 7M. The quality of the third and of the seventh, if there is one, is what gives the chord its character; the rest of the notes colour it. Every interval in the formula links to its own page, with its sound.
How do I play the Ab Augmented major seventh suspended fourth chord?
On guitar the most common Ab Augmented major seventh suspended fourth shape is 442020, read from the lowest string to the highest; the instrument panel above shows several more with their fingerings. On piano play Ab3 · Db4 · E4 · G4 with the right hand, or move the root down into the left hand and keep the rest above it. Every shape on this page plays when you press it.

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