C#o7b9 Piano Chord — Chart, Notes and Inversions

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

Also known as: C#°7b9

How to Play C#o7b9 on Piano

C#o7b9, C#°7b9

Notes: C♯, E, G, B♭, D

C#o7b9, C#°7b9 (1st inversion)

Notes: E, G, B♭, C♯, D

C#o7b9, C#°7b9 (2nd inversion)

Notes: G, B♭, C♯, D, E

C#o7b9, C#°7b9 (3rd inversion)

Notes: B♭, C♯, D, E, G

Quick Summary

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

Frequently Asked Questions

What is the C#o7b9 chord on piano?

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

How do you play C#o7b9 on piano?

To play C#o7b9 on piano, press the keys C♯, E, G, B♭, D 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 C#o7b9 chord?

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

What are the inversions of C#o7b9?

C#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 C#o7b9?

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