Also Ddim7, Fdim7

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

  • Bdim77

    Root position · B D F A♭

  • Bdim7/D6/5

    1st inversion · D F A♭ B

  • Bdim7/F4/3

    2nd inversion · F A♭ B D

  • Bdim7/A♭4/2

    3rd inversion · A♭ B D F

Relatives9

Same notes, other names3

Type1

Genres that use it4

Songs that use it1

Where it goes13

One small move away12

Its dominant1