How do you play the B m7(b9)(#9)/C chord?

To play the B m7(b9)(#9)/C chord on piano, play the B m7(b9)(#9) chord (B, D, F#, A, C 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 B m7(b9)(#9)/C chord means a B m7(b9)(#9) chord with C in the bass.

B m7(b9)(#9)/C

Q: What notes are in the B m7(b9)(#9)/C chord?

The B m7(b9)(#9)/C chord uses the 6 notes of the B m7(b9)(#9) chord — B (Perfect unison), D (Minor third), F# (Perfect fifth), A (Minor seventh), C (Minor ninth) and D (Minor tenth) — with C played as the bass note in the lowest register.

The B m7(b9)(#9) chord consists of the B (Perfect unison), D (Minor third), F# (Perfect fifth), A (Minor seventh), C (Minor ninth) and D (Minor tenth) notes, with C as the bass note.

Piano keyboard showing the notes for a B m7(b9)(#9)/C chord

How to play the B m7(b9)(#9)/C chord

Play C as the lowest bass note in the left hand
Find B (Root) on the piano keyboard
Add D (Minor third) — 3 semitones above B
Add F# (Perfect fifth) — 7 semitones above B
Add A (Minor seventh) — 10 semitones above B
Add C (Minor ninth) — 13 semitones above B
Add D (Minor tenth) — 15 semitones above B
Press all 7 notes simultaneously to sound the B m7(b9)(#9)/C chord

Related chords with different root

D m7(add6)
D 7(add6)
B m7(b9)
B m7(b9)(#9)

Related slash chords

D 6/C
D add13/C
B m7/C
B m7(#9)/C