How do you play the F 5(add9)/C# chord?

To play the F 5(add9)/C# chord on piano, play the F 5(add9) chord (F, C 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 F 5(add9)/C# chord means a F 5(add9) chord with C# in the bass.

F 5(add9)/C#

Q: What notes are in the F 5(add9)/C# chord?

The F 5(add9)/C# chord uses the 3 notes of the F 5(add9) chord — F (Perfect unison), C (Perfect fifth) and G (Major ninth) — with C# played as the bass note in the lowest register.

The F 5(add9) chord consists of the F (Perfect unison), C (Perfect fifth) and G (Major ninth) notes, with C# as the bass note.

Piano keyboard showing the notes for a F 5(add9)/C# chord

How to play the F 5(add9)/C# chord

Play C# as the lowest bass note in the left hand
Find F (Root) on the piano keyboard
Add C (Perfect fifth) — 7 semitones above F
Add G (Major ninth) — 14 semitones above F
Press all 4 notes simultaneously to sound the F 5(add9)/C# chord

Inversions with same root

C# maj7(b5)

Related chords with different root

G 11(b5)(sus4)

Related slash chords

C sus4/C#
F sus2/C#
G 11(sus4)/C#