How do you play the G m7(b9)(no5)/A chord?

To play the G m7(b9)(no5)/A chord on piano, play the G m7(b9)(no5) chord (G, Bb, F and Ab) with A as the lowest bass note. Place the A 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(b9)(no5)/A chord means a G m7(b9)(no5) chord with A in the bass.

G m7(b9)(no5)/A

Q: What notes are in the G m7(b9)(no5)/A chord?

The G m7(b9)(no5)/A chord uses the 4 notes of the G m7(b9)(no5) chord — G (Perfect unison), Bb (Minor third), F (Minor seventh) and Ab (Minor ninth) — with A played as the bass note in the lowest register.

The G m7(b9)(no5) chord consists of the G (Perfect unison), Bb (Minor third), F (Minor seventh) and Ab (Minor ninth) notes, with A as the bass note.

Piano keyboard showing the notes for a G m7(b9)(no5)/A chord

How to play the G m7(b9)(no5)/A chord

Play A 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 F (Minor seventh) — 10 semitones above G
Add Ab (Minor ninth) — 13 semitones above G
Press all 5 notes simultaneously to sound the G m7(b9)(no5)/A chord