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How to Read Guitar Chord Diagrams
Learn how to read guitar chord diagrams quickly. Understand dots, numbers, Xs, Os, and finger positions so you can play any chord chart at sight.
G diminished 7th guitar shapes
Popular fretboard positions with fingering suggestions
Showing 8 of 21 playable shapes
About the chord
G diminished 7th guitar chord
The G diminished 7th diminished 7th chord extends the diminished triad with a double-flatted seventh F♭, creating a haunting, symmetrical dissonance. Its ambiguous, tension-filled sound is ideal for dramatic resolutions, suspenseful scenes, or mysterious soundscapes in classical and cinematic compositions.
Root note: G
Quality: diminished 7th
Chord tones: 4
Playable shapes: 21
Chord tones
GB♭D♭F♭
Notes & Intervals
Each note below shows how the chord is built from its root. This is the theory layer underneath the fretboard shapes.
G Unison (Root) 1
The root anchors the chord and defines its tonal center.
B♭ Minor Third ♭3
This note supplies the minor color and gives the chord its darker emotional pull.
D♭ Diminished Fifth ♭5
The flattened fifth adds tension and a restless, unstable edge.
F♭ Diminished Seventh ♭♭7
The diminished seventh heightens instability and gives the chord a tense symmetrical quality.
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