G# dim7 Chord | Learn, Play, and Practice with Our Interactive Tool
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What is in G#dim7, the G# diminished seventh chord? The notes are G#, B, D and F.
The same chord is written Abdim7 in the enharmonic spelling, so the two pages share one sound. The listed voicings run from fret 3 up to fret 13. G#dim7 is the vii chord of A harmonic minor, built on the leading tone of that key. Its sound is tense and symmetrical, and it tends to resolve toward a more stable chord.
The chord tones all belong to the G# whole-half scale, a good starting scale when you improvise over this chord. The interactive fretboard at the top lets you listen to each voicing as a strum and as an arpeggio, one string at a time.
G# diminished 7th guitar chord is also written as G#dim7, G#°7 or G#o7. It is also known as the G# fully diminished seventh chord.
Notes that compose the G# dim7 chord:
Tones in the Diminished Seventh chord:
Formula: 1 b3 b5 bb7
G# Dim7 Guitar Chord Diagrams
Position 1 Movable
Finger Positions
- Mute the B string
- Mute the high E string
- Place your index finger (1) on the fret 3 of the D string
- Place your middle finger (2) on the fret 4 of the low E string
- Place your ring finger (3) on the fret 4 of the G string
- Place your pinky finger (4) on the fret 5 of the A string
Position 2 Movable
Finger Positions
- Mute the low E string
- Mute the high E string
- Place your index finger (1) on the fret 7 of the G string
- Place your middle finger (2) on the fret 8 of the A string
- Place your ring finger (3) on the fret 9 of the D string
- Place your pinky finger (4) on the fret 9 of the B string
Position 3 Movable
Finger Positions
- Mute the low E string
- Mute the A string
- Place your index finger (1) on the fret 9 of the D string
- Place your middle finger (2) on the fret 9 of the B string
- Place your ring finger (3) on the fret 10 of the G string
- Place your pinky finger (4) on the fret 10 of the high E string
Position 4 Barre Movable
Finger Positions
- Mute the A string
- Mute the high E string
- Place your index finger (1) on the fret 3 of the D and B strings at the same time
- Place your middle finger (2) on the fret 4 of the low E string
- Place your ring finger (3) on the fret 4 of the G string
Position 5 Movable
Finger Positions
- Mute the low E string
- Mute the A string
- Mute the D string
- Place your index finger (1) on the fret 9 of the B string
- Place your middle finger (2) on the fret 10 of the G string
- Place your ring finger (3) on the fret 10 of the high E string
Position 6 Movable
Finger Positions
- Mute the low E string
- Mute the A string
- Mute the D string
- Place your index finger (1) on the fret 12 of the B string
- Place your middle finger (2) on the fret 13 of the G string
- Place your ring finger (3) on the fret 13 of the high E 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 G#dim7?
G#dim7 is spelled G#, B, D and F. These are the root, minor third, flat fifth and diminished seventh, each a minor third from the one before.
Can I use Abdim7 instead of G#dim7?
Yes, they are the same chord. G#dim7 and Abdim7 share all four pitches and sound identical, only the spelling differs, with Abdim7 using double flats.
What does G#dim7 add to the G# diminished triad?
The triad G#, B and D already holds the tritone between G# and D. G#dim7 adds F, a diminished seventh, which completes the stack of minor thirds and makes the chord fully symmetrical.
What scale suits G# diminished seventh?
The G# whole-half scale includes every chord tone. Its notes are G#, A#, B, C#, D, E, E#, F##, so it gives a pool of notes that agree with the chord.
In which harmonic minor key is G#dim7 the vii chord?
G#dim7 is the vii chord of A harmonic minor, built on the raised seventh degree. The chord leads naturally toward A minor.
How many G#dim7 voicings exist for guitar?
There are 6 voicings, 1 of them using a barre. None uses an open string. They run from fret 3 up to fret 13.
