How do you play the D 11(b5)(sus4)/C# chord?

To play the D 11(b5)(sus4)/C# chord on piano, play the D 11(b5)(sus4) chord (D, G, G# and C) with C# as the lowest bass note. Place the C# 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 11(b5)(sus4)/C# chord means a D 11(b5)(sus4) chord with C# in the bass.

D 11(b5)(sus4)/C#

Q: What notes are in the D 11(b5)(sus4)/C# chord?

The D 11(b5)(sus4)/C# chord uses the 4 notes of the D 11(b5)(sus4) chord — D (Perfect unison), G (Perfect fourth), G# (Diminished fifth) and C (Minor seventh) — with C# played as the bass note in the lowest register.

The D 11(b5)(sus4) chord consists of the D (Perfect unison), G (Perfect fourth), G# (Diminished fifth) and C (Minor seventh) notes, with C# as the bass note.

Piano keyboard showing the notes for a D 11(b5)(sus4)/C# chord

How to play the D 11(b5)(sus4)/C# chord

Play C# as the lowest bass note in the left hand
Find D (Root) on the piano keyboard
Add G (Perfect fourth) — 5 semitones above D
Add G# (Diminished fifth) — 6 semitones above D
Add C (Minor seventh) — 10 semitones above D
Press all 5 notes simultaneously to sound the D 11(b5)(sus4)/C# chord

Related slash chords

G# maj7(b5)/C#