Ab7(#5) Guitar Chord | Play, Practice & Master Interactively
Spelled Ab, C, E and Gb, Ab7#5 is the Ab augmented seventh chord, with the root, major third, raised fifth and minor seventh above its root.
All 5 voicings are fretted and none rings an open string; 4 are barre shapes. Jazz musicians treat the raised fifth as one of the standard alterations of a dominant chord.
Every note of Ab7#5 sits inside the Ab whole-tone scale, so that scale is the natural place to look for melody notes. See jazz chord progressions for the places where chords like this one tend to turn up. Turn on the note labels in the interactive fretboard at the top to read the name of every note under your fingers.
Ab dominant 7th with sharp 5th guitar chord is also written as Ab7(#5), Ab7#5, Ab7+5 or Abaug7.
Notes of the Ab 7(#5) chord:
Tones in the Dominant Seventh Sharp Fifth chord:
Formula: 1 3 #5 b7
Ab 7(#5) Chord Interactive Fretboard
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Ab 7(#5) Guitar Chord Diagrams
Position 1 Barre Movable
Finger Positions
- Mute the A string
- Place your index finger (1) on the fret 4 of the low E, D and high E strings at the same time
- Place your middle finger (2) on the fret 5 of the G string
- Place your ring finger (3) on the fret 5 of the B string
Position 2 Barre Movable
Finger Positions
- Mute the low E string
- Mute the high E string
- Place your index finger (1) on the fret 9 of the A, G and B strings at the same time
- Place your middle finger (2) on the fret 10 of the D string
Position 3 Barre Movable
Finger Positions
- Mute the low E string
- Place your index finger (1) on the fret 11 of the A and G strings at the same time
- Place your middle finger (2) on the fret 12 of the high E string
- Place your ring finger (3) on the fret 13 of the B string
- Place your pinky finger (4) on the fret 14 of the D string
Position 4 Movable
Finger Positions
- Mute the A string
- Mute the high E string
- Place your index finger (1) on the fret 4 of the low E string
- Place your middle finger (2) on the fret 4 of the D string
- Place your ring finger (3) on the fret 5 of the G string
- Place your pinky finger (4) on the fret 5 of the B string
Position 5 Barre Movable
Finger Positions
- Mute the low E string
- Mute the A string
- Place your index finger (1) on the fret 4 of the D and high E strings at the same time
- Place your middle finger (2) on the fret 5 of the G string
- Place your ring finger (3) on the fret 5 of the B string
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Created by
Giancarlo is a musician (teaching guitar since 2000), software engineer, AI consultant and published researcher
FAQ
What notes make up Ab7#5?
Ab7#5 is spelled Ab, C, E and Gb. These are the root, a major third, a raised fifth and a minor seventh. The chord uses no double accidentals.
How does Ab7#5 differ from Ab7?
The fifth is raised. Ab7 has Eb, while Ab7#5 has E, a semitone higher. The major third C and minor seventh Gb are shared.
Is Ab7#5 the same as G#7#5?
Yes, the two share the same pitches. G#7#5 needs the double sharps B# and D##, so Ab7#5 is the easier chord to read.
Which scale includes Ab7#5?
The Ab whole-tone scale, Ab, Bb, C, D, E, Gb, holds all four chord tones. It is a ready pool of notes for the chord.
How many ways are there to play Ab7#5?
There are 5 voicings, and 4 of them use a barre. None uses an open string. They run from fret 4 to fret 14.
