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

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

Gb 5(add9)/Bbb

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

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

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

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

Play Bbb 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)/Bbb chord

Related chords with different root

F# m(add2)
F# m(add9)

Related slash chords

Db sus4/A
Gb sus2/Bbb
Ab 11(sus4)/Bbb