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Abm9 chord

Ab minor 9th · also written G#m9

C4
Ab
Cb
C5
Eb
Gb
Bb

Want it in context? Open Abm9 on the full piano.

Notes

  • Ab
    R
  • Cb
    b3
  • Eb
    5
  • Gb
    b7
  • Bb
    9

Formula: R – b3 – 5 – b7 – 9

Abm9 inversions

The same notes, with a different note in the bass.

Root position Abm9

C4
Ab
Cb
C5
Eb
Gb

1st inversion Abm9/Cb

C4
Cb
C5
Eb
Gb
Ab

2nd inversion Abm9/Eb

C5
Eb
Gb
Ab
Cb
C6

3rd inversion Abm9/Gb

C5
Gb
Ab
Cb
C6
Eb

FAQ

What notes are in the Abm9 chord?

The Ab minor 9th chord (Abm9) has 5 notes: Ab, Cb, Eb, Gb and Bb.

How do you play Abm9 on the piano?

Put your right hand on Ab, Cb, Eb, Gb and Bb, starting from Ab. A common fingering for three-note chords is thumb (1), middle finger (3) and little finger (5).

What is the formula of a minor 9th chord?

R – b3 – 5 – b7 – 9 (in semitones from the root: 0, 3, 7, 10, 14).

Is Abm9 the same as G#m9?

Yes. Ab and G# are the same key on the piano (enharmonic), so Abm9 and G#m9 sound the same.