How do you play the C 9(b5)/G# chord?

To play the C 9(b5)/G# chord on piano, play the C 9(b5) chord (C, E, F#, A# and D) with G# as the lowest bass note. Place the G# 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 C 9(b5)/G# chord means a C 9(b5) chord with G# in the bass.

C 9(b5)/G#

Q: What notes are in the C 9(b5)/G# chord?

The C 9(b5)/G# chord uses the 5 notes of the C 9(b5) chord — C (Perfect unison), E (Major third), F# (Diminished fifth), A# (Minor seventh) and D (Major ninth) — with G# played as the bass note in the lowest register.

The C 9(b5) chord consists of the C (Perfect unison), E (Major third), F# (Diminished fifth), A# (Minor seventh) and D (Major ninth) notes, with G# as the bass note.

Piano keyboard showing the notes for a C 9(b5)/G# chord

How to play the C 9(b5)/G# chord

Play G# as the lowest bass note in the left hand
Find C (Root) on the piano keyboard
Add E (Major third) — 4 semitones above C
Add F# (Diminished fifth) — 6 semitones above C
Add A# (Minor seventh) — 10 semitones above C
Add D (Major ninth) — 14 semitones above C
Press all 6 notes simultaneously to sound the C 9(b5)/G# chord

Related slash chords

D 9(#5)/G#