Also C#dim7, Edim7

Gdim7 (G diminished 7th): G B♭ D♭ F♭. Formula 1 ♭3 ♭5 ♭♭7. Also C#dim7, Edim7, A#dim7. Minor 3rds stacked all the way: symmetrical and very tense, it works as a passing chord and as a dominant with a ♭9.

Made of4

Notes4

Contains & part of20

Scales that contain it20

Inversions4

  • Gdim77

    Root position · G B♭ D♭ F♭

  • Gdim7/B♭6/5

    1st inversion · B♭ D♭ F♭ G

  • Gdim7/D♭4/3

    2nd inversion · D♭ F♭ G B♭

  • Gdim7/F♭4/2

    3rd inversion · F♭ G B♭ D♭

Relatives8

Same notes, other names3

Type1

Genres that use it4

Where it goes13

One small move away12

Its dominant1