A#/Bb7#9 guitar chord (A#/Bb Dominant 7th, Sharp 9th)

Symbols: 7#9, 7+9, 7b10

Steps: 1-3-5-b7-#9

Notes: A#-D-F-Ab-C#

The A#/Bb 7#9 chord sharpens the ninth, creating a powerful and gritty sound. With notes A#, D, F, Ab and C#, this chord is iconic in blues and rock music, often used to evoke a raw, emotional quality. Below, you'll find three variations how to play the "A#/Bb 7#9" chord, each featuring finger placements and an audio sample.

Variation 1
A#/Bb7#9 guitar chord - variation 1
  • Position your ring finger on the B (2nd) string at the 2nd fret and press down
  • With your middle finger, press down on the G (3rd) string at the 1st fret
  • Press the A (5th) string on the 1st fret with your index finger
  • Strum from the 5th string to the 2nd strings

Variation 2
A#/Bb7#9 guitar chord - variation 2
  • Place a barre using your pinky on the 9th fret from the 1st to the 2nd strings
  • Place your middle finger on the G (3rd) string at the 7th fret and press down
  • Place a barre using your index finger on the 6th fret from the 4th to the 6th strings
  • Press the A (5th) string on the 8th fret with your ring finger
  • To play the chord, strum all the strings

Variation 3
A#/Bb7#9 guitar chord - variation 3
  • Position your pinky on the B (2nd) string at the 14th fret and press down
  • With your ring finger, press down on the G (3rd) string at the 13th fret
  • Place your index finger on the D (4th) string at the 12th fret and press down
  • Press the A (5th) string on the 13th fret with your middle finger
  • Strum from the 5th string to the 2nd strings

Other A#/Bb Chords

[ Table ]

Other Dominant 7th, Sharp 9th Chords