How do you play the F# b5/D# chord?

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

F# b5/D#

Q: What notes are in the F# b5/D# chord?

The F# b5/D# chord uses the 3 notes of the F# b5 chord — F# (Perfect unison), A# (Major third) and C (Diminished fifth) — with D# played as the bass note in the lowest register.

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

Piano keyboard showing the notes for a F# b5/D# chord

How to play the F# b5/D# chord

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

Inversions with same root

D# m6
D# m(add13)

Related chords with different root

C m7(b5)
F# 6(b5)

Related slash chords

C 7(b5)(sus)/D#