How do you play the F 11(b5)(sus4)/C chord?

To play the F 11(b5)(sus4)/C chord on piano, play the F 11(b5)(sus4) chord (F, A#, B 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 F 11(b5)(sus4)/C chord means a F 11(b5)(sus4) chord with C in the bass.

F 11(b5)(sus4)/C

Q: What notes are in the F 11(b5)(sus4)/C chord?

The F 11(b5)(sus4)/C chord uses the 4 notes of the F 11(b5)(sus4) chord — F (Perfect unison), A# (Perfect fourth), B (Diminished fifth) and D# (Minor seventh) — with C played as the bass note in the lowest register.

The F 11(b5)(sus4) chord consists of the F (Perfect unison), A# (Perfect fourth), B (Diminished fifth) and D# (Minor seventh) notes, with C as the bass note.

Piano keyboard showing the notes for a F 11(b5)(sus4)/C chord

How to play the F 11(b5)(sus4)/C chord

Play C as the lowest bass note in the left hand
Find F (Root) on the piano keyboard
Add A# (Perfect fourth) — 5 semitones above F
Add B (Diminished fifth) — 6 semitones above F
Add D# (Minor seventh) — 10 semitones above F
Press all 5 notes simultaneously to sound the F 11(b5)(sus4)/C chord

Related slash chords

B maj7(b5)/C