How do you play the C m7(alt)/F chord?

To play the C m7(alt)/F chord on piano, play the C m7(alt) chord (C, D#, G#, A# 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 m7(alt)/F chord means a C m7(alt) chord with F in the bass.

C m7(alt)/F

Q: What notes are in the C m7(alt)/F chord?

The C m7(alt)/F chord uses the 5 notes of the C m7(alt) chord — C (Perfect unison), D# (Minor third), G# (Minor sixth), A# (Minor seventh) and D# (Minor tenth) — with F played as the bass note in the lowest register.

The C m7(alt) chord consists of the C (Perfect unison), D# (Minor third), G# (Minor sixth), A# (Minor seventh) and D# (Minor tenth) notes, with F as the bass note.

Piano keyboard showing the notes for a C m7(alt)/F chord

How to play the C m7(alt)/F chord

Play F as the lowest bass note in the left hand
Find C (Root) on the piano keyboard
Add D# (Minor third) — 3 semitones above C
Add G# (Minor sixth) — 8 semitones above C
Add A# (Minor seventh) — 10 semitones above C
Add D# (Minor tenth) — 15 semitones above C
Press all 6 notes simultaneously to sound the C m7(alt)/F chord

Inversions with same root

F m7(add11)

Related chords with different root

G# 6(add9)

Related slash chords

C m7(#5)/F
G# add2/F
G# add9/F