What notes are in the A Augmented major seventh chord?

The A Augmented major seventh chord contains the notes A · C# · E# · G#: the root A with the intervals 1P, 3M, 5A, 7M stacked above it. Play them together for the chord or one after another for an arpeggio. The lowest note is normally A, but any chord tone can take the bass in an inversion.

What intervals make up the A Augmented major seventh chord?

Measured from A, the A Augmented major seventh chord stacks the intervals 1P, 3M, 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 A Augmented major seventh chord?

On guitar the most common A Augmented major seventh shape is x03121, read from the lowest string to the highest; the instrument panel above shows several more with their fingerings. On piano play A3 · C#4 · E#4 · G#4 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.

A Augmented Major Seventh Chord (Amaj7#5): Notes, Piano & Guitar

Play it on your instrument

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Voicings on the piano

Voicing	Notes	Play it on your instrument
Closed, root position	A3 · C#4 · E#4 · G#4
Open (drop 2)	E#3 · A3 · C#4 · G#4
Shell	A3 · C#4 · G#4
Rootless	C#3 · E#3 · G#3

Tap a key or a fret to hear it.

Anatomy

A Augmented major seventh (Amaj7#5) contains the notes A · C# · 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 A Augmented major seventh puts a chord tone other than A in the bass; the name after the slash is that bass note.

Where it lives

The keys and the scales A Augmented major seventh belongs to.

In which keys

A Augmented major seventh is diatonic to 1 key; the numeral is its degree and the label its harmonic function.

F# minorIII+maj7#5Tonic

Scales that contain it

A Augmented major seventh fits inside these scales, each built on A.

A Harmonic MajorA · B · C# · D · E · F · G#
A AugmentedA · B# · C# · E · E# · G#
A Double Harmonic LydianA · Bb · C# · D# · E · F · G#
A Lydian AugmentedA · B · C# · D# · E# · F# · G#
A Augmented HeptatonicA · B# · C# · D · E · E# · G#
A Leading Whole ToneA · B · C# · D# · E# · G · G#
A Double Harmonic MajorA · Bb · C# · D · E · F · G#
A PersianA · Bb · C# · D · Eb · F · G#

Related chords

Chords that share most of their notes with A Augmented major seventh: simpler and richer stacks of the same notes, and the substitutes a chart would accept.

Simpler

AaugA · C# · E#

Richer

Amaj9#5A · C# · E# · G# · B

Augmented major seventh on every root

Cmaj7#5 Dbmaj7#5 Dmaj7#5 Ebmaj7#5 Emaj7#5 Fmaj7#5 Gbmaj7#5 Gmaj7#5 Abmaj7#5 Bbmaj7#5

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Understanding the A Augmented major seventh chord

Names and symbols

Amaj7#5 is the chord symbol for A Augmented major seventh; it is also written Amaj7+5, A+maj7, A^7#5.

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 A Augmented major seventh chord?: The A Augmented major seventh chord contains the notes A · C# · E# · G#: the root A with the intervals 1P, 3M, 5A, 7M stacked above it. Play them together for the chord or one after another for an arpeggio. The lowest note is normally A, but any chord tone can take the bass in an inversion.
What intervals make up the A Augmented major seventh chord?: Measured from A, the A Augmented major seventh chord stacks the intervals 1P, 3M, 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 A Augmented major seventh chord?: On guitar the most common A Augmented major seventh shape is x03121, read from the lowest string to the highest; the instrument panel above shows several more with their fingerings. On piano play A3 · C#4 · E#4 · G#4 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.