Gdim piano chord — the keys, the inversions, the theory

Gdim is a diminished chord built from G, Bb, Db. Below: the keys to press, every inversion with its own diagram, the intervals it is made of, the keys whose scale contains it, and a progression that actually uses it. Press any diagram to hear it.

Gdim

G · Bb · Db

Piano keyboardC4C5

Semitones above the root: 0 – 3 – 6

Two minor thirds stacked. Nothing sits still here; it is a chord that leads somewhere.

Inversions of Gdim

  • Root position

    G · Bb · Db · bass G

  • Inversion 1

    Bb · Db · G · bass Bb

  • Inversion 2

    Db · G · Bb · bass Db

Same chord, different note at the bottom. Press a diagram to hear it — inversions are how you move between chords without jumping your hand across the keyboard.

Keys that contain Gdim

  • Abvii°

In Ab it does this job: IV – vii° – I

  1. Db
  2. Gdim
  3. Ab

Questions