Fdim7 chord on piano
F diminished 7th: F · A♭ · C♭ · E♭♭. It sounds maximum suspense — stacked minor 3rds that could resolve four different ways.
NotesF A♭ C♭ E♭♭
Built fromroot + minor 3rd + diminished 5th + diminished 7th
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On the keyboard
Fingering
Right hand, root position: F — finger 1 · A♭ — finger 2 · C♭ — finger 3 · E♭♭ — finger 5. (1 = thumb, 5 = little finger.)
Inversions
The same notes in a different order. Inversions are how players move between chords without jumping:
- RootF – A♭ – C♭ – E♭♭
- 1stA♭ – C♭ – E♭♭ – F
- 2ndC♭ – E♭♭ – F – A♭
- 3rdE♭♭ – F – A♭ – C♭