A79/C

A♭7♯9/C is a A-flat dominant 7th sharp 9th chord with C in the bass.

A♭7♯9/C guitar chord is also written as A♭dom7♯9/C or A♭7(♯9)/C.

Below are up to 8 popular shapes for the A♭7♯9/C guitar chord, with suggested finger positions on the fretboard.


A♭7♯9/C guitar chord diagram

How to play the A♭7♯9/C chord

String numbers run from the thinnest string (1st) to the thickest string (6th). Match each numbered finger to the diagrams.

Shape x31102

  • Place your index finger (1) on the 1st fret of the 4th (D) string.
  • Place your middle finger (2) on the 1st fret of the 3rd (G) string.
  • Place your ring finger (3) on the 2nd fret of the 1st (high E) string.
  • Place your little finger (4) on the 3rd fret of the 5th (A) string.
  • Let the 2nd (B) string ring open.
  • Do not play the 6th (low E) string.

Shape 866877

  • Place your index finger (1) on the 6th fret of the 4th (D) string and 5th (A) string in a barre.
  • Place your middle finger (2) on the 7th fret of the 1st (high E) string and 2nd (B) string in a barre.
  • Place your ring finger (3) on the 8th fret of the 6th (low E) string.
  • Place your little finger (4) on the 8th fret of the 3rd (G) string.

View A-flat dominant 7th sharp 9th inversions and slash chords

A♭7♯9 - A♭7♯9/C - A♭7♯9/E♭ - A♭7♯9/G♭ - A♭7♯9/B

View dominant 7th sharp 9th chord for guitar with other root notes

C - D - E - F - G - A - B - C♯ - D♯ - F♯ - G♯ - A♯ - D♭ - E♭ - G♭ - A♭ - B♭