Gdim7 chord on piano
G diminished 7th: G · B♭ · D♭ · F♭. It sounds maximum suspense — stacked minor 3rds that could resolve four different ways.
NotesG B♭ D♭ F♭
Built fromroot + minor 3rd + diminished 5th + diminished 7th
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On the keyboard
Fingering
Right hand, root position: G — finger 1 · B♭ — finger 2 · D♭ — finger 3 · F♭ — finger 5. (1 = thumb, 5 = little finger.)
Inversions
The same notes in a different order. Inversions are how players move between chords without jumping:
- RootG – B♭ – D♭ – F♭
- 1stB♭ – D♭ – F♭ – G
- 2ndD♭ – F♭ – G – B♭
- 3rdF♭ – G – B♭ – D♭