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

To play the F# m7(b9)/B chord on piano, play the F# m7(b9) chord (F#, A, C#, E and G) with B as the lowest bass note. Place the B 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# m7(b9)/B chord means a F# m7(b9) chord with B in the bass.

F# m7(b9)/B

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

The F# m7(b9)/B chord uses the 5 notes of the F# m7(b9) chord — F# (Perfect unison), A (Minor third), C# (Perfect fifth), E (Minor seventh) and G (Minor ninth) — with B played as the bass note in the lowest register.

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

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

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

Play B as the lowest bass note in the left hand
Find F# (Root) on the piano keyboard
Add A (Minor third) — 3 semitones above F#
Add C# (Perfect fifth) — 7 semitones above F#
Add E (Minor seventh) — 10 semitones above F#
Add G (Minor ninth) — 13 semitones above F#
Press all 6 notes simultaneously to sound the F# m7(b9)/B chord

Related chords with different root

A 13

Related slash chords

F# m7(b9)(#9)/B
A m7(add6)/B
A 7(add6)/B