How do you play the G m7(#9)/Ab chord?

To play the G m7(#9)/Ab chord on piano, play the G m7(#9) chord (G, Bb, D, F and Bb) with Ab as the lowest bass note. Place the Ab note below the other chord tones. Slash chords specify a particular bass note different from the chord root.

What is a slash chord?

A slash chord (or compound chord) is written as Chord/Bass and specifies both a chord and a bass note. The note to the right of the slash is played as the lowest note. The G m7(#9)/Ab chord means a G m7(#9) chord with Ab in the bass.

G m7(#9)/Ab

Q: What notes are in the G m7(#9)/Ab chord?

The G m7(#9)/Ab chord uses the 5 notes of the G m7(#9) chord — G (Perfect unison), Bb (Minor third), D (Perfect fifth), F (Minor seventh) and Bb (Minor tenth) — with Ab played as the bass note in the lowest register.

The G m7(#9) chord consists of the G (Perfect unison), Bb (Minor third), D (Perfect fifth), F (Minor seventh) and Bb (Minor tenth) notes, with Ab as the bass note.

Piano keyboard showing the notes for a G m7(#9)/Ab chord

How to play the G m7(#9)/Ab chord

Play Ab as the lowest bass note in the left hand
Find G (Root) on the piano keyboard
Add Bb (Minor third) — 3 semitones above G
Add D (Perfect fifth) — 7 semitones above G
Add F (Minor seventh) — 10 semitones above G
Add Bb (Minor tenth) — 15 semitones above G
Press all 6 notes simultaneously to sound the G m7(#9)/Ab chord

Related chords with different root

G m7(b9)
G m7(b9)(#9)
Bb m7(add6)
Bb 7(add6)

Related slash chords

G m7/Ab
Bb 6/Ab
Bb add13/Ab