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

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

A# 7(b5)/C

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

The A# 7(b5)/C chord uses the 4 notes of the A# 7(b5) chord — A# (Perfect unison), D (Major third), E (Diminished fifth) and G# (Minor seventh) — with C played as the bass note in the lowest register.

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

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

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

Play C as the lowest bass note in the left hand
Find A# (Root) on the piano keyboard
Add D (Major third) — 4 semitones above A#
Add E (Diminished fifth) — 6 semitones above A#
Add G# (Minor seventh) — 10 semitones above A#
Press all 5 notes simultaneously to sound the A# 7(b5)/C chord

Inversions with same root

C 9(#5)

Related chords with different root

A# 9(b5)

Related slash chords

E 7(b5)/C