Short answer: G#o7b9 is a G# Diminished 7♭9 chord containing the notes G♯, B, D, F, A. It has 4 inversions. Use the diagrams below to learn each voicing on the keyboard.
Also known as: G#°7b9
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Notes: G♯, B, D, F, A
Notes: B, D, F, G♯, A
Notes: D, F, G♯, A, B
Notes: F, G♯, A, B, D
G#o7b9 is a G# Diminished 7♭9 chord. It contains the notes G♯, B, D, F, A. On piano, play these notes simultaneously to sound the chord.
To play G#o7b9 on piano, press the keys G♯, B, D, F, A together. The root position uses these exact notes. There are 4 inversions available, each rearranging the same notes in a different order.
The G#o7b9 chord contains the notes: G♯, B, D, F, A.
G#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.
G#o7b9 is also known as G#°7b9. These are different notations for the same chord with the same notes: G♯, B, D, F, A.