How do you play the G addb9/A# chord?

To play the G addb9/A# chord on piano, play the G addb9 chord (G, B, D and G#) with A# as the lowest bass note. Place the A# 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 G addb9/A# chord means a G addb9 chord with A# in the bass.

G addb9/A#

Q: What notes are in the G addb9/A# chord?

The G addb9/A# chord uses the 4 notes of the G addb9 chord — G (Perfect unison), B (Major third), D (Perfect fifth) and G# (Minor ninth) — with A# played as the bass note in the lowest register.

The G addb9 chord consists of the G (Perfect unison), B (Major third), D (Perfect fifth) and G# (Minor ninth) notes, with A# as the bass note.

Piano keyboard showing the notes for a G addb9/A# chord

How to play the G addb9/A# chord

Play A# as the lowest bass note in the left hand
Find G (Root) on the piano keyboard
Add B (Major third) — 4 semitones above G
Add D (Perfect fifth) — 7 semitones above G
Add G# (Minor ninth) — 13 semitones above G
Press all 5 notes simultaneously to sound the G addb9/A# chord

Related slash chords

G# m(maj7)(b5)/A#