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

To play the A# addb9/D# chord on piano, play the A# addb9 chord (A#, D, F and B) 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 A# addb9/D# chord means a A# addb9 chord with D# in the bass.

A# addb9/D#

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

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

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

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

How to play the A# addb9/D# chord

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

Related slash chords

B m(maj7)(b5)/D#