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Abm(add9) chord

Ab minor added 9th · also written G#m(add9)

C4
Ab
Cb
C5
Eb
Bb

Want it in context? Open Abm(add9) on the full piano.

Notes

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

Formula: R – b3 – 5 – 9

Abm(add9) inversions

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

Root position Abm(add9)

C4
Ab
Cb
C5
Eb

1st inversion Abm(add9)/Cb

C4
Cb
C5
Eb
Ab

2nd inversion Abm(add9)/Eb

C5
Eb
Ab
Cb
C6

FAQ

What notes are in the Abm(add9) chord?

The Ab minor added 9th chord (Abm(add9)) has 4 notes: Ab, Cb, Eb and Bb.

How do you play Abm(add9) on the piano?

Put your right hand on Ab, Cb, Eb 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 added 9th chord?

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

Is Abm(add9) the same as G#m(add9)?

Yes. Ab and G# are the same key on the piano (enharmonic), so Abm(add9) and G#m(add9) sound the same.