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

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

D# 9(b5)/A#

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

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

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

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

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

Play A# as the lowest bass note in the left hand
Find D# (Root) on the piano keyboard
Add G (Major third) — 4 semitones above D#
Add A (Diminished fifth) — 6 semitones above D#
Add C# (Minor seventh) — 10 semitones above D#
Add F (Major ninth) — 14 semitones above D#
Press all 6 notes simultaneously to sound the D# 9(b5)/A# chord

Related chords with different root

D# 9(#11)

Related slash chords

F 9(#5)/A#