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

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

A 11(b5)(sus4)/C

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

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

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

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

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

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

Inversions with same root

C m6(add9)

Related slash chords

D# maj7(b5)/C