How do you play the F m(maj9)(#11)/C# chord?

To play the F m(maj9)(#11)/C# chord on piano, play the F m(maj9)(#11) chord (F, G#, C, E, G and B) 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 m(maj9)(#11)/C# chord means a F m(maj9)(#11) chord with C# in the bass.

F m(maj9)(#11)/C#

Q: What notes are in the F m(maj9)(#11)/C# chord?

The F m(maj9)(#11)/C# chord uses the 6 notes of the F m(maj9)(#11) chord — F (Perfect unison), G# (Minor third), C (Perfect fifth), E (Major seventh), G (Major ninth) and B (Augmented eleventh) — with C# played as the bass note in the lowest register.

The F m(maj9)(#11) chord consists of the F (Perfect unison), G# (Minor third), C (Perfect fifth), E (Major seventh), G (Major ninth) and B (Augmented eleventh) notes, with C# as the bass note.

Piano keyboard showing the notes for a F m(maj9)(#11)/C# chord

How to play the F m(maj9)(#11)/C# chord

Play C# as the lowest bass note in the left hand
Find F (Root) on the piano keyboard
Add G# (Minor third) — 3 semitones above F
Add C (Perfect fifth) — 7 semitones above F
Add E (Major seventh) — 11 semitones above F
Add G (Major ninth) — 14 semitones above F
Add B (Augmented eleventh) — 18 semitones above F
Press all 7 notes simultaneously to sound the F m(maj9)(#11)/C# chord