A 7(b5)/G#
The A 7(b5) chord consists of the A (Perfect unison), C# (Major third), D# (Diminished fifth) and G (Minor seventh) notes, with G# as the bass note.
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How to play the A 7(b5)/G# chord
- Play G# as the lowest bass note in the left hand
- Find A (Root) on the piano keyboard
- Add C# (Major third) — 4 semitones above A
- Add D# (Diminished fifth) — 6 semitones above A
- Add G (Minor seventh) — 10 semitones above A
- Press all 5 notes simultaneously to sound the A 7(b5)/G# chord