How do you play the Gb 5(add9)/Abb chord?

To play the Gb 5(add9)/Abb chord on piano, play the Gb 5(add9) chord (Gb, Db and Ab) with Abb as the lowest bass note. Place the Abb 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 Gb 5(add9)/Abb chord means a Gb 5(add9) chord with Abb in the bass.

Gb 5(add9)/Abb

Q: What notes are in the Gb 5(add9)/Abb chord?

The Gb 5(add9)/Abb chord uses the 3 notes of the Gb 5(add9) chord — Gb (Perfect unison), Db (Perfect fifth) and Ab (Major ninth) — with Abb played as the bass note in the lowest register.

The Gb 5(add9) chord consists of the Gb (Perfect unison), Db (Perfect fifth) and Ab (Major ninth) notes, with Abb as the bass note.

Piano keyboard showing the notes for a Gb 5(add9)/Abb chord

How to play the Gb 5(add9)/Abb chord

Play Abb as the lowest bass note in the left hand
Find Gb (Root) on the piano keyboard
Add Db (Perfect fifth) — 7 semitones above Gb
Add Ab (Major ninth) — 14 semitones above Gb
Press all 4 notes simultaneously to sound the Gb 5(add9)/Abb chord

Related slash chords

Db sus4/Abb
Gb sus2/Abb
Ab 11(sus4)/G