How do you play the Gb sus(#4)/Abb chord?

To play the Gb sus(#4)/Abb chord on piano, play the Gb sus(#4) chord (Gb, C and Db) 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 sus(#4)/Abb chord means a Gb sus(#4) chord with Abb in the bass.

Gb sus(#4)/Abb

Q: What notes are in the Gb sus(#4)/Abb chord?

The Gb sus(#4)/Abb chord uses the 3 notes of the Gb sus(#4) chord — Gb (Perfect unison), C (Diminished fifth) and Db (Perfect fifth) — with Abb played as the bass note in the lowest register.

The Gb sus(#4) chord consists of the Gb (Perfect unison), C (Diminished fifth) and Db (Perfect fifth) notes, with Abb as the bass note.

Piano keyboard showing the notes for a Gb sus(#4)/Abb chord

How to play the Gb sus(#4)/Abb chord

Play Abb as the lowest bass note in the left hand
Find Gb (Root) on the piano keyboard
Add C (Diminished fifth) — 6 semitones above Gb
Add Db (Perfect fifth) — 7 semitones above Gb
Press all 4 notes simultaneously to sound the Gb sus(#4)/Abb chord

Inversions with same root

G maj11(b5)(sus4)

Related chords with different root

C# maj11(b5)(sus4)

Related slash chords

C Viennese trichord/G