Gdim7
G Diminished 7th
1 ♭3 ♭5 ♭♭7

Notes in Gdim7

GR
B♭♭3
C♯♭5
E♭♭7

The Gdim7 chord contains 4 notes: G, B♭, C♯, E

Intervals

IntervalSemitonesNoteFunction
R0GRoot
♭33B♭Minor 3rd
♭56C♯Diminished 5th
♭♭79EDiminished 7th

About G Diminished 7th Chords

Fully diminished 7th chords stack three minor 3rds, creating a symmetrical chord that divides the octave into four equal parts. This symmetry means every dim7 chord has four possible root names. They're essential in jazz, classical, and dramatic musical passages.

Compatible Scales & Modes

These scales contain all the notes of Gdim7 and can be used for soloing, improvising, and writing melodies over this chord.

Whole-Half Diminished Scale from G
The go-to scale for diminished 7th chords. Symmetric — repeats every minor 3rd.

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