How do you play the A 7(b5)(sus)/C# chord?

To play the A 7(b5)(sus)/C# chord on piano, play the A 7(b5)(sus) chord (A, 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 7(b5)(sus)/C# chord means a A 7(b5)(sus) chord with C# in the bass.

A 7(b5)(sus)/C#

Q: What notes are in the A 7(b5)(sus)/C# chord?

The A 7(b5)(sus)/C# chord uses the 3 notes of the A 7(b5)(sus) chord — A (Perfect unison), D# (Diminished fifth) and G (Minor seventh) — with C# played as the bass note in the lowest register.

The A 7(b5)(sus) chord consists of the A (Perfect unison), D# (Diminished fifth) and G (Minor seventh) notes, with C# as the bass note.

Piano keyboard showing the notes for a A 7(b5)(sus)/C# chord

How to play the A 7(b5)(sus)/C# chord

Play C# as the lowest bass note in the left hand
Find A (Root) on the piano keyboard
Add D# (Diminished fifth) — 6 semitones above A
Add G (Minor seventh) — 10 semitones above A
Press all 4 notes simultaneously to sound the A 7(b5)(sus)/C# chord

Related chords with different root

D# 7(b5)
A 7(b5)

Related slash chords

D# b5/C#