Short answer: BbØ9 is a Bb Ø9 chord containing the notes B♭, D♭, F♭, A♭, C. It has 4 inversions. Use the diagrams below to learn each voicing on the keyboard.
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Notes: B♭, D♭, F♭, A♭, C
Notes: D♭, F♭, A♭, B♭, C
Notes: F♭, A♭, B♭, C, D♭
Notes: A♭, B♭, C, D♭, F♭
BbØ9 is a Bb Ø9 chord. It contains the notes B♭, D♭, F♭, A♭, C. On piano, play these notes simultaneously to sound the chord.
To play BbØ9 on piano, press the keys B♭, D♭, F♭, A♭, C together. The root position uses these exact notes. There are 4 inversions available, each rearranging the same notes in a different order.
The BbØ9 chord contains the notes: B♭, D♭, F♭, A♭, C.
BbØ9 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.