How do you play the Ab 11(sus4)/Bbb chord?

To play the Ab 11(sus4)/Bbb chord on piano, play the Ab 11(sus4) chord (Ab, Db and Gb) 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 Ab 11(sus4)/Bbb chord means a Ab 11(sus4) chord with Bbb in the bass.

Ab 11(sus4)/Bbb

Q: What notes are in the Ab 11(sus4)/Bbb chord?

The Ab 11(sus4)/Bbb chord uses the 3 notes of the Ab 11(sus4) chord — Ab (Perfect unison), Db (Perfect fourth) and Gb (Minor seventh) — with Bbb played as the bass note in the lowest register.

The Ab 11(sus4) chord consists of the Ab (Perfect unison), Db (Perfect fourth) and Gb (Minor seventh) notes, with Bbb as the bass note.

Piano keyboard showing the notes for a Ab 11(sus4)/Bbb chord

How to play the Ab 11(sus4)/Bbb chord

Play Bbb as the lowest bass note in the left hand
Find Ab (Root) on the piano keyboard
Add Db (Perfect fourth) — 5 semitones above Ab
Add Gb (Minor seventh) — 10 semitones above Ab
Press all 4 notes simultaneously to sound the Ab 11(sus4)/Bbb chord

Related chords with different root

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

Related slash chords

Db sus4/A
Gb sus2/Bbb
Gb 5(add9)/Bbb