How do you play the G# 9(b5)/D## chord?

To play the G# 9(b5)/D## chord on piano, play the G# 9(b5) chord (G#, B#, D, F# and A#) with D## as the lowest bass note. Place the D## 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# 9(b5)/D## chord means a G# 9(b5) chord with D## in the bass.

G# 9(b5)/D##

Q: What notes are in the G# 9(b5)/D## chord?

The G# 9(b5)/D## chord uses the 5 notes of the G# 9(b5) chord — G# (Perfect unison), B# (Major third), D (Diminished fifth), F# (Minor seventh) and A# (Major ninth) — with D## played as the bass note in the lowest register.

The G# 9(b5) chord consists of the G# (Perfect unison), B# (Major third), D (Diminished fifth), F# (Minor seventh) and A# (Major ninth) notes, with D## as the bass note.

Piano keyboard showing the notes for a G# 9(b5)/D## chord

How to play the G# 9(b5)/D## chord

Play D## 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 (Diminished fifth) — 6 semitones above G#
Add F# (Minor seventh) — 10 semitones above G#
Add A# (Major ninth) — 14 semitones above G#
Press all 6 notes simultaneously to sound the G# 9(b5)/D## chord

Related slash chords

Bb 9(#5)/Fb