B♭dim7 chord on piano
Bb diminished 7th: B♭ · D♭ · F♭ · A♭♭. It sounds maximum suspense — stacked minor 3rds that could resolve four different ways.
NotesB♭ D♭ F♭ A♭♭
Built fromroot + minor 3rd + diminished 5th + diminished 7th
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On the keyboard
Fingering
Right hand, root position: B♭ — finger 1 · D♭ — finger 2 · F♭ — finger 3 · A♭♭ — finger 5. (1 = thumb, 5 = little finger.)
Inversions
The same notes in a different order. Inversions are how players move between chords without jumping:
- RootB♭ – D♭ – F♭ – A♭♭
- 1stD♭ – F♭ – A♭♭ – B♭
- 2ndF♭ – A♭♭ – B♭ – D♭
- 3rdA♭♭ – B♭ – D♭ – F♭