How do you play the G# sus(#4)/C# chord?

To play the G# sus(#4)/C# chord on piano, play the G# sus(#4) chord (G#, D and D#) 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 G# sus(#4)/C# chord means a G# sus(#4) chord with C# in the bass.

G# sus(#4)/C#

Q: What notes are in the G# sus(#4)/C# chord?

The G# sus(#4)/C# chord uses the 3 notes of the G# sus(#4) chord — G# (Perfect unison), D (Diminished fifth) and D# (Perfect fifth) — with C# played as the bass note in the lowest register.

The G# sus(#4) chord consists of the G# (Perfect unison), D (Diminished fifth) and D# (Perfect fifth) notes, with C# as the bass note.

Piano keyboard showing the notes for a G# sus(#4)/C# chord

How to play the G# sus(#4)/C# chord

Play C# as the lowest bass note in the left hand
Find G# (Root) on the piano keyboard
Add D (Diminished fifth) — 6 semitones above G#
Add D# (Perfect fifth) — 7 semitones above G#
Press all 4 notes simultaneously to sound the G# sus(#4)/C# chord

Related slash chords

D Viennese trichord/C#