How do you play the C# sus4(b5)/G## chord?

To play the C# sus4(b5)/G## chord on piano, play the C# sus4(b5) chord (C#, F# and G) 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# sus4(b5)/G## chord means a C# sus4(b5) chord with G## in the bass.

C# sus4(b5)/G##

Q: What notes are in the C# sus4(b5)/G## chord?

The C# sus4(b5)/G## chord uses the 3 notes of the C# sus4(b5) chord — C# (Perfect unison), F# (Perfect fourth) and G (Diminished fifth) — with G## played as the bass note in the lowest register.

The C# sus4(b5) chord consists of the C# (Perfect unison), F# (Perfect fourth) and G (Diminished fifth) notes, with G## as the bass note.

Piano keyboard showing the notes for a C# sus4(b5)/G## chord

How to play the C# sus4(b5)/G## chord

Play G## as the lowest bass note in the left hand
Find C# (Root) on the piano keyboard
Add F# (Perfect fourth) — 5 semitones above C#
Add G (Diminished fifth) — 6 semitones above C#
Press all 4 notes simultaneously to sound the C# sus4(b5)/G## chord

Related chords with different root

F# m(addb9)

Related slash chords

G maj7(b5)(sus)/A