How do you play the Gb m(maj7)(#5)/Cb chord?

To play the Gb m(maj7)(#5)/Cb chord on piano, play the Gb m(maj7)(#5) chord (Gb, Bbb, D and F) 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 m(maj7)(#5)/Cb chord means a Gb m(maj7)(#5) chord with Cb in the bass.

Gb m(maj7)(#5)/Cb

Q: What notes are in the Gb m(maj7)(#5)/Cb chord?

The Gb m(maj7)(#5)/Cb chord uses the 4 notes of the Gb m(maj7)(#5) chord — Gb (Perfect unison), Bbb (Minor third), D (Minor sixth) and F (Major seventh) — with Cb played as the bass note in the lowest register.

The Gb m(maj7)(#5) chord consists of the Gb (Perfect unison), Bbb (Minor third), D (Minor sixth) and F (Major seventh) notes, with Cb as the bass note.

Piano keyboard showing the notes for a Gb m(maj7)(#5)/Cb chord

How to play the Gb m(maj7)(#5)/Cb chord

Play Cb as the lowest bass note in the left hand
Find Gb (Root) on the piano keyboard
Add Bbb (Minor third) — 3 semitones above Gb
Add D (Minor sixth) — 8 semitones above Gb
Add F (Major seventh) — 11 semitones above Gb
Press all 5 notes simultaneously to sound the Gb m(maj7)(#5)/Cb chord

Inversions with same root

B m7(#11)