A#/Bb7(#5,b9) guitar chord (A#/Bb Dominant 7th, Sharp 5th, Flat 9th)

Symbols: 7(#5,b9), 7(+5,-9), +7b9

Steps: 1-3-#5-b7-b9

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

The A#/Bb 7(#5,b9) chord sharpens the fifth while flattening the ninth, producing an exotic and tension-filled sound. Its notes A#, D, F#, Ab and B work well in jazz to create drama and suspense. Below, you'll find how to play the "A#/Bb 7(#5,b9)" chord, finger placements and an audio sample.

Variation 1
A#/Bb7(#5,b9) guitar chord - variation 1
  • Barre the 7th fret with your pinky, extending over the 1st to the 3rd strings
  • With your middle finger, press down on the D (4th) string at the 6th fret
  • Press the low E (6th) string on the 6th fret with your index finger
  • To play the chord, strum all the strings, mute the 5th string

Variation 2
A#/Bb7(#5,b9) guitar chord - variation 2
  • Use your pinky to press the E (1st) string down on the 14th fret
  • Place a barre using your index finger on the 12th fret from the 2nd to the 4th strings
  • Press down on the G (3rd) string at the 13th fret using your ring finger
  • Position your middle finger on the A (5th) string at the 13th fret and press down
  • Now, strum all the strings starting from the 5th string

Other A#/Bb Chords

[ Table ]

Other Dominant 7th, Sharp 5th, Flat 9th Chords