Dim & aug familyvii°7 in G harmonic minor
G♭ diminished seventh chord
G♭dim7G♭ diminished seventh
Piano root position
- Root
- ♭3
- ♭5
- 𝄫7
Guitar standard tuning
Barre · fret 1
Lay your index flat across strings 4 to 2 at fret 1.
Finger: 1 index, 2 middle, 3 ring, 4 little
Notation treble clef
Intervals
12 semitones- G♭1
- ♭2
- 2
- B𝄫♭3
- 3
- 4
- D𝄫♭5
- 5
- ♯5
- F𝄫𝄫7
- ♭7
- 7
- G♭ Root
- B𝄫 Minor 3rd
- D𝄫 Diminished 5th
- F𝄫 Diminished 7th
About this chord
What is a G♭ diminished seventh chord?
G♭dim7 is built from 4 notes: G♭ (the root), B𝄫 (the ♭3), D𝄫 (the ♭5), F𝄫 (the 𝄫7). Symmetrical stacked minor thirds: dramatic, silent-film suspense.
- Notes
- G♭ · B𝄫 · D𝄫 · F𝄫
- Formula
- 1 · ♭3 · ♭5 · 𝄫7
- Also written
- G♭°7 · G♭o7
- Found in
- vii°7 in G harmonic minor
Neighbours
Chords close to G♭dim7
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