A#o7b9 Piano Chord — Chart, Notes and Inversions

Short answer: A#o7b9 is a A# Diminished 7♭9 chord containing the notes A♯, C♯, E, G, B. It has 4 inversions. Use the diagrams below to learn each voicing on the keyboard.

Also known as: A#°7b9

How to Play A#o7b9 on Piano

A#o7b9, A#°7b9

Notes: A♯, C♯, E, G, B

A#o7b9, A#°7b9 (1st inversion)

Notes: C♯, E, G, A♯, B

A#o7b9, A#°7b9 (2nd inversion)

Notes: E, G, A♯, B, C♯

A#o7b9, A#°7b9 (3rd inversion)

Notes: G, A♯, B, C♯, E

Quick Summary

  • The A#o7b9 chord contains the notes: A♯, C♯, E, G, B
  • It has 4 inversions, each rearranging the same notes
  • Also written as: A#°7b9
  • Use the keyboard diagrams above to see exact finger positions

Frequently Asked Questions

What is the A#o7b9 chord on piano?

A#o7b9 is a A# Diminished 7♭9 chord. It contains the notes A♯, C♯, E, G, B. On piano, play these notes simultaneously to sound the chord.

How do you play A#o7b9 on piano?

To play A#o7b9 on piano, press the keys A♯, C♯, E, G, B together. The root position uses these exact notes. There are 4 inversions available, each rearranging the same notes in a different order.

What notes are in the A#o7b9 chord?

The A#o7b9 chord contains the notes: A♯, C♯, E, G, B.

What are the inversions of A#o7b9?

A#o7b9 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.

What are other names for A#o7b9?

A#o7b9 is also known as A#°7b9. These are different notations for the same chord with the same notes: A♯, C♯, E, G, B.