How do you play the C 7(b9)(#9)/G chord?

To play the C 7(b9)(#9)/G chord on piano, play the C 7(b9)(#9) chord (C, E, G, A#, C# 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 7(b9)(#9)/G chord means a C 7(b9)(#9) chord with G in the bass.

C 7(b9)(#9)/G

Q: What notes are in the C 7(b9)(#9)/G chord?

The C 7(b9)(#9)/G chord uses the 6 notes of the C 7(b9)(#9) chord — C (Perfect unison), E (Major third), G (Perfect fifth), A# (Minor seventh), C# (Minor ninth) and D# (Minor tenth) — with G played as the bass note in the lowest register.

The C 7(b9)(#9) chord consists of the C (Perfect unison), E (Major third), G (Perfect fifth), A# (Minor seventh), C# (Minor ninth) and D# (Minor tenth) notes, with G as the bass note.

Piano keyboard showing the notes for a C 7(b9)(#9)/G chord

How to play the C 7(b9)(#9)/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 G (Perfect fifth) — 7 semitones above C
Add A# (Minor seventh) — 10 semitones above C
Add C# (Minor ninth) — 13 semitones above C
Add D# (Minor tenth) — 15 semitones above C
Press all 7 notes simultaneously to sound the C 7(b9)(#9)/G chord

Related chords with different root

C 7(b9)(#9)