A#7#9 chord on guitar
A Sharp Dominant Seventh Sharp Nine, also written Bb7#9. Notes: A#, D, F, G# and C#.
How to play A#7#9
- Put your index finger on the 5th (A) string at fret 1 (A#).
- Put your middle finger on the 3rd (G) string at fret 1 (G#).
- Put your ring finger on the 2nd (B) string at fret 2 (C#).
- Let the open D string ring.
- Don't play the low E and high E strings: skip them or mute them with a fretting finger.
- Strum from the A string down.
All 4 ways to play A#7#9
Easiest first. Tap play to hear each one.Open position
EasyFret 7 position
MediumFret 12 position
HardBarre at fret 6
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##; C## is the same key as D, E# is the same key as F and 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 A#7#9 chord?
A#7#9 (A sharp dominant seventh sharp nine) is made of five notes: A# (root), D (major third), F (perfect fifth), G# (minor seventh) and C# (sharp ninth).
How do you play A#7#9 on guitar?
The easiest A#7#9 is the "open position" shape. Put your index finger on the 5th (A) string at fret 1 (A#). Put your middle finger on the 3rd (G) string at fret 1 (G#). Put your ring finger on the 2nd (B) string at fret 2 (C#).
Is A#7#9 hard to play on guitar?
No. The easiest version is rated easy and uses 3 fretted notes plus open strings.
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.