What notes are in the Ab9 chord?

Ab9 is made of Ab, C, Gb and Bb: the root, major 3rd, minor 7th and major 2nd above Ab.

What is the easiest way to play Ab9?

Play 414114 (low E to high E): barre fret 1 from the A to the B string.

Ab9 chord on guitar

Ab9 is a dominant ninth chord: funky and full. It is built from Ab, C, Gb and Bb (formula 1 3 ♭7 9). Dominant ninths are the classic funk and soul rhythm chord, and a richer swap for a plain seventh. The easiest way to play it in standard tuning is 414114.

4 1 4 1 1 4

x x 6 5 7 6

x 11 8 11 9 8

Ab9 fingerings (low E to high E)

Barre at fret 1: 414114. Barre fret 1 from the A to the B string.
Fret 5: xx6576. Mute the low E and A strings.
Barre at fret 8: x-11-8-11-9-8. Mute the low E string, barre fret 8 from the D to the high E string.

Questions

What notes are in the Ab9 chord?: Ab9 is made of Ab, C, Gb and Bb: the root, major 3rd, minor 7th and major 2nd above Ab.
What is the easiest way to play Ab9?: Play 414114 (low E to high E): barre fret 1 from the A to the B string.

Also try: Ab Major · G# Minor · Ab7 · Abmaj7 · Chord Charts