A7#9b5

Dominant 7th #9 b5

Click keys to experiment with the chord

Notes

1•A43•C#5b5•D#5b7•G5#9•C6

Formula

1 – 3 – b5 – b7 – #9

Intervals: 0 semitones, 4 semitones, 6 semitones, 10 semitones, 15 semitones

Practice Note

A common altered dominant variant combining the #9 with a flatted 5th.

About A7#9b5

The A7#9b5 chord sounds colorful and expressive. It is built from the notes A, C#, D#, G, C, stacking 5 tones to create its distinctive sound.

Notes: A – C# – D# – G – C | Formula: 1 – 3 – b5 – b7 – #9

Related Chords

Dominant 7th #9 b5 in other keys

C7#9b5 Db7#9b5 D7#9b5 Eb7#9b5 E7#9b5 F7#9b5

Other A chords

A5 — Power Chord A6 — Major 6th A7 — Dominant 7th A9 — Dominant 9th A11 — Dominant 11th A13 — Dominant 13th A — Major Am — Minor

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