Short answer: Fb°9 is a Fb Diminished 9 chord containing the notes F♭, A♭♭, C♭♭, E♭♭♭, G♭. It has 4 inversions. Use the diagrams below to learn each voicing on the keyboard.
Also known as: Fb dim9
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Notes: F♭, A♭♭, C♭♭, E♭♭♭, G♭
Notes: A♭♭, C♭♭, E♭♭♭, F♭, G♭
Notes: C♭♭, E♭♭♭, F♭, G♭, A♭♭
Notes: E♭♭♭, F♭, G♭, A♭♭, C♭♭
Fb°9 is a Fb Diminished 9 chord. It contains the notes F♭, A♭♭, C♭♭, E♭♭♭, G♭. On piano, play these notes simultaneously to sound the chord.
To play Fb°9 on piano, press the keys F♭, A♭♭, C♭♭, E♭♭♭, G♭ together. The root position uses these exact notes. There are 4 inversions available, each rearranging the same notes in a different order.
The Fb°9 chord contains the notes: F♭, A♭♭, C♭♭, E♭♭♭, G♭.
Fb°9 has 4 inversions. Each inversion rearranges the notes so a different note is at the bottom. The root position starts with the root note, the first inversion moves it to the top, and so on.
Fb°9 is also known as Fb dim9. These are different notations for the same chord with the same notes: F♭, A♭♭, C♭♭, E♭♭♭, G♭.