A7#9 chord on guitar
A Dominant Seventh Sharp Nine. Notes: A, C#, E, G and C.
How to play A7#9
- Put your index finger on the 3rd (G) string at fret 6 (C#).
- Put your middle finger on the 4th (D) string at fret 7 (A).
- Put your ring finger on the 2nd (B) string at fret 8 (G).
- Put your pinky finger on the 1st (high E) string at fret 8 (C).
- Don't play the low E and A strings: skip them or mute them with a fretting finger.
- Strum from the D string down.
All 4 ways to play A7#9
Easiest first. Tap play to hear each one.Fret 6 position
MediumFret 8 position
HardFret 11 position
HardBarre at fret 5
HardNotes and theory
The 7#9 has both a major third and a sharp ninth (which sounds like a minor third). It is famous as the Hendrix chord from Purple Haze. The formula is 1 3 5 b7 #9. Strictly by music theory the notes are spelled A, C#, E, G and B#; B# is the same key as C.
More A chords
All A guitar chordsdominant seventh sharp nine chords in every key
Questions
What notes are in the A7#9 chord?
A7#9 (A dominant seventh sharp nine) is made of five notes: A (root), C# (major third), E (perfect fifth), G (minor seventh) and C (sharp ninth).
How do you play A7#9 on guitar?
The easiest A7#9 is the "fret 6 position" shape. Put your index finger on the 3rd (G) string at fret 6 (C#). Put your middle finger on the 4th (D) string at fret 7 (A). Put your ring finger on the 2nd (B) string at fret 8 (G).
Is A7#9 hard to play on guitar?
No. The easiest version is rated medium and uses 4 fretted notes.
What does a dominant seventh sharp nine chord sound like?
The 7#9 has both a major third and a sharp ninth (which sounds like a minor third). It is famous as the Hendrix chord from Purple Haze.