Tonic Parallel

C Diminished 7th

Cdim7

chord

At a Glance

Formula:
C diminished7
Notes:
C, D#, F#, A
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×41312

What It Is

A diminished triad plus a diminished seventh above the root - four minor thirds stacked, dividing the octave evenly. Notes: C, Eb, Gb, Bbb.

How It Functions

Maximally unstable and symmetrical; can resolve in multiple directions.

Appears In These Progressions

Not found in any of the seeded progressions or cadences.

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