How do you play the Bb m7(#9)/F# chord?

To play the Bb m7(#9)/F# chord on piano, play the Bb m7(#9) chord (Bb, Db, F, Ab and Db) 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 Bb m7(#9)/F# chord means a Bb m7(#9) chord with F# in the bass.

Bb m7(#9)/F#

Q: What notes are in the Bb m7(#9)/F# chord?

The Bb m7(#9)/F# chord uses the 5 notes of the Bb m7(#9) chord — Bb (Perfect unison), Db (Minor third), F (Perfect fifth), Ab (Minor seventh) and Db (Minor tenth) — with F# played as the bass note in the lowest register.

The Bb m7(#9) chord consists of the Bb (Perfect unison), Db (Minor third), F (Perfect fifth), Ab (Minor seventh) and Db (Minor tenth) notes, with F# as the bass note.

Piano keyboard showing the notes for a Bb m7(#9)/F# chord

How to play the Bb m7(#9)/F# chord

Play F# as the lowest bass note in the left hand
Find Bb (Root) on the piano keyboard
Add Db (Minor third) — 3 semitones above Bb
Add F (Perfect fifth) — 7 semitones above Bb
Add Ab (Minor seventh) — 10 semitones above Bb
Add Db (Minor tenth) — 15 semitones above Bb
Press all 6 notes simultaneously to sound the Bb m7(#9)/F# chord

Inversions with same root

Gb maj9

Related chords with different root

Bb m7(b13)

Related slash chords

Db 6/Gb
Db add13/Gb
Bb m7/F#