A7#5 chord on guitar

A Augmented Seventh. Notes: A, C#, F and G.

A7#5 guitar chord diagram, open position×3F#52C#31F#5AFGC#F
Open position · Easy

How to play A7#5

  1. Put your index finger on the 1st (high E) string at fret 1 (F).
  2. Put your middle finger on the 2nd (B) string at fret 2 (C#).
  3. Put your ring finger on the 4th (D) string at fret 3 (F).
  4. Let the open A and G strings ring.
  5. Don't play the low E string: skip it or mute it with a fretting finger.
  6. Strum from the A string down.
Lowest note: A (the root)Strings played: 5 of 6Other voicings: 3 below

All 4 ways to play A7#5

Easiest first. Tap play to hear each one.
A7#5 guitar chord, open position×3F#52C#31F#5AFGC#F

Open position

Easy
A7#5 guitar chord, barre at fret 2×2F#51AR1C#33Gb7AFAC#G

Barre at fret 2

Medium
A7#5 guitar chord, barre at fret 55fr×1Gb72C#33F#51ARAGC#FA

Barre at fret 5

Medium
A7#5 guitar chord, fret 7 position7fr××1AR4F#52Gb73C#3AFGC#

Fret 7 position

Hard

Notes and theory

Aroot
C#3 · major third
F#5 · augmented fifth
Gb7 · minor seventh

The augmented seventh (7#5) raises the fifth of a dominant seventh, which pushes hard toward the next chord. The formula is 1 3 #5 b7, and you will also see it written as Aaug7 and A+7. Strictly by music theory the notes are spelled A, C#, E# and G; E# is the same key as F.

More A chords

All A guitar chords

augmented seventh chords in every key

Questions

What notes are in the A7#5 chord?

A7#5 (A augmented seventh) is made of four notes: A (root), C# (major third), F (augmented fifth) and G (minor seventh).

How do you play A7#5 on guitar?

The easiest A7#5 is the "open position" shape. Put your index finger on the 1st (high E) string at fret 1 (F). Put your middle finger on the 2nd (B) string at fret 2 (C#). Put your ring finger on the 4th (D) string at fret 3 (F).

Is A7#5 hard to play on guitar?

No. The easiest version is rated easy and uses 3 fretted notes plus open strings.

What does a augmented seventh chord sound like?

The augmented seventh (7#5) raises the fifth of a dominant seventh, which pushes hard toward the next chord.