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

To play the C# 5(add9)/F chord on piano, play the C# 5(add9) chord (C#, G# and D#) with F as the lowest bass note. Place the F 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# 5(add9)/F chord means a C# 5(add9) chord with F in the bass.

C# 5(add9)/F

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

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

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

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

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

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

Inversions with same root

F m7(#5)
F m7(alt)

Related chords with different root

C# add2
C# add9

Related slash chords

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