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#, E 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), E (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), E (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 E (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

Inversions with same root

C# m6
C# m(add13)

Related chords with different root

E 6(b5)
A# m7(b5)

Related slash chords

E b5/C#