Also Fdim7, G#dim7

Ddim7 (D diminished 7th): D F A♭ C♭. Formula 1 ♭3 ♭5 ♭♭7. Also Fdim7, G#dim7, Bdim7. 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

  • Ddim77

    Root position · D F A♭ C♭

  • Ddim7/F6/5

    1st inversion · F A♭ C♭ D

  • Ddim7/A♭4/3

    2nd inversion · A♭ C♭ D F

  • Ddim7/C♭4/2

    3rd inversion · C♭ D F A♭

Relatives8

Same notes, other names3

Type1

Genres that use it4

Where it goes13

One small move away12

Its dominant1