Chords

Ab 7#5sus4

Ab · Db · E · Gb

Ab 7#5sus4 (Ab7#5sus4) is a augmented chord of 4 notes: Ab · Db · E · Gb.

Ab 7#5sus4

Ab · Db · E · Gb

Play it on your instrument
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Voicings on the piano
VoicingNotesPlay it on your instrument
Closed, root positionAb3 · Db4 · E4 · Gb4
Open (drop 2)E3 · Ab3 · Db4 · Gb4
ShellAb3 · Db4 · Gb4
RootlessDb3 · E3 · Gb3

Tap a key or a fret to hear it.

Anatomy

Ab 7#5sus4 (Ab7#5sus4) contains the notes Ab · Db · E · Gb, each with a role measured as an interval from the root.

Read on: how triads are built · seventh chords

Inversions

An inversion of Ab 7#5sus4 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 7#5sus4 belongs to.

In which keys

Ab 7#5sus4 is diatonic to 6 keys; the numeral is its degree and the label its harmonic function.

Scales that contain it

Ab 7#5sus4 fits inside these scales, each built on Ab.

Understanding the Ab 7#5sus4 chord

Names and symbols

Ab7#5sus4 is the chord symbol for Ab 7#5sus4.

7♯5, +7 and aug7 usually all mean this chord: a dominant seventh on an augmented triad. Some books use aug7 for the major seventh on the augmented triad instead, so check which seventh a chart intends.

Common questions

What notes are in the Ab 7#5sus4 chord?
The Ab 7#5sus4 chord contains the notes Ab · Db · E · Gb: 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 7#5sus4 chord?
Measured from Ab, the Ab 7#5sus4 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 7#5sus4 chord?
On guitar the most common Ab 7#5sus4 shape is 444654, read from the lowest string to the highest; the instrument panel above shows several more with their fingerings. On piano play Ab3 · Db4 · E4 · Gb4 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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