Ab 6th Added 9th

Ab6add9

Notes

Ab · C · Eb · F · Bb

Intervals

  • RootAb (1P)
  • Major 3rdC (3M)
  • Perfect 5thEb (5P)
  • Major 6thF (6M)
  • Major 9thBb (9M)

Fretboard

EBGDAE357912FAbBbCEbCEbFAbBbAbBbCEbFEbFAbBbCBbCEbFAbFAbBbCEb

About

The A♭6/9 (A♭–C–E♭–F–B♭) combines the warmth of the 6th with the openness of the 9th, deliberately omitting the 7th. This keeps the chord stable and resolved — unlike extensions that include a 7th, it does not imply harmonic motion. It is a rich tonic color used in jazz, R&B, and gospel as a final or resting chord. Both the F and B♭ are essential to the sound; the 5th can be omitted in compact voicings. On guitar, spread voicings that separate the 6 and 9 allow both extensions to speak clearly without muddiness. Compared to A♭Maj9, the 6/9 is warmer and more grounded; compared to A♭add9, fuller.

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