How do you play the Gb add13/Cb chord?

To play the Gb add13/Cb chord on piano, play the Gb add13 chord (Gb, Bb, Db and Eb) with Cb as the lowest bass note. Place the Cb 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 add13/Cb chord means a Gb add13 chord with Cb in the bass.

Gb add13/Cb

Q: What notes are in the Gb add13/Cb chord?

The Gb add13/Cb chord uses the 4 notes of the Gb add13 chord — Gb (Perfect unison), Bb (Major third), Db (Perfect fifth) and Eb (Major thirteenth) — with Cb played as the bass note in the lowest register.

The Gb add13 chord consists of the Gb (Perfect unison), Bb (Major third), Db (Perfect fifth) and Eb (Major thirteenth) notes, with Cb as the bass note.

Piano keyboard showing the notes for a Gb add13/Cb chord

How to play the Gb add13/Cb chord

Play Cb as the lowest bass note in the left hand
Find Gb (Root) on the piano keyboard
Add Bb (Major third) — 4 semitones above Gb
Add Db (Perfect fifth) — 7 semitones above Gb
Add Eb (Major thirteenth) — 21 semitones above Gb
Press all 5 notes simultaneously to sound the Gb add13/Cb chord

Inversions with same root

B maj9

Related chords with different root

D# m7(b13)

Related slash chords

Eb m7/B
Eb m7(#9)/B
Gb 6/Cb