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Gdim7 Guitar Chord

Gdim7 (G diminished seventh) is a four-note chord made from G, Bb, Db and Fb. A diminished seventh is minor thirds stacked all the way up, so it is symmetrical: the same shape moved up three frets plays the same notes. It makes a tense passing chord that leads up a half step.

Gdim7 G diminished seventh

Open position1 / 5

Notes

  • G1
  • Bbb3
  • Dbb5
  • Fbbb7

Built from the root G, the minor third Bb, the flat fifth Db and the diminished seventh Fb.

How to play Gdim7

Frets from low E to high E; x means don't play that string.

Easiest shape to start with: Open position (312020). It has 2 open strings and nothing above fret 3.

Keys with Gdim7

Every note of Gdim7 is in these keys. The numeral is its place in the key.

Minor keys

  • vii°7 in G# harmonic minor