Gb7#5 Guitar Chord | Play, Hear and Practice Interactively
The Gb augmented seventh chord, written Gb7#5, is spelled Gb, Bb, D and Fb: the root, major third, raised fifth and minor seventh. Jazz musicians treat the raised fifth as one of the standard alterations of a dominant chord.
Notes such as Fb are written that way to keep one letter name per chord tone, even though they sound like simpler notes. Every one of the 3 voicings listed here needs a barre. Gb7#5 fits inside the Gb whole-tone scale: each of its notes is a member of that scale. It sounds identical to F#7#5, the same pitches written with the other spelling.
In the chord player at the top, each shape comes with its note names labelled on the fretboard.
Gb dominant 7th with sharp 5th guitar chord is also written as Gb7(#5), Gb7#5, Gb7+5 or Gbaug7.
Gb 7(#5) chord Notes:
Chord structure of the Dominant Seventh Sharp Fifth chord:
Formula: 1 3 #5 b7
Gb 7(#5) Chord Interactive Fretboard
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Gb 7(#5) Guitar Chord Diagrams
Position 1 Barre Movable
Finger Positions
- Mute the A string
- Place your index finger (1) on the fret 2 of the low E, D and high E strings at the same time
- Place your middle finger (2) on the fret 3 of the G string
- Place your ring finger (3) on the fret 3 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 7 of the A, G and B strings at the same time
- Place your middle finger (2) on the fret 8 of the D string
Position 3 Barre Movable
Finger Positions
- Mute the low E string
- Place your index finger (1) on the fret 9 of the A and G strings at the same time
- Place your middle finger (2) on the fret 10 of the high E string
- Place your ring finger (3) on the fret 11 of the B string
- Place your pinky finger (4) on the fret 12 of the D string
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Created by
Giancarlo is a musician (teaching guitar since 2000), software engineer, AI consultant and published researcher
FAQ
Which notes make up Gb7#5?
Gb7#5 is Gb, Bb, D and Fb. These are the root, a major third, a raised fifth and a minor seventh. Fb sounds like E.
Is Gb7#5 the same as F#7#5?
Yes. Gb7#5 and F#7#5 have the same pitches and sound the same. F#7#5 uses the double sharp C##, while Gb7#5 uses Fb instead of E.
Why does Gb7#5 contain Fb?
The seventh of Gb falls on the letter F. A minor seventh from Gb is Fb, which sounds like E. Writing E would break the letter pattern G, B, D, F.
Which scale fits Gb7#5?
The Gb whole-tone scale, Gb, Ab, Bb, C, D, Fb, holds all four chord tones, so it fits Gb7#5 well.
How many Gb7#5 voicings does guitar have?
There are 3 voicings, and each uses a barre. None uses an open string. They run from fret 2 to fret 12.
