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

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

A# m7(b9)/F#

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

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

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

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

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

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

Inversions with same root

F# maj11

Related slash chords

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