How do you play the B sus(#4)/A chord?

To play the B sus(#4)/A chord on piano, play the B sus(#4) chord (B, F and F#) with A as the lowest bass note. Place the A 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 sus(#4)/A chord means a B sus(#4) chord with A in the bass.

B sus(#4)/A

Q: What notes are in the B sus(#4)/A chord?

The B sus(#4)/A chord uses the 3 notes of the B sus(#4) chord — B (Perfect unison), F (Diminished fifth) and F# (Perfect fifth) — with A played as the bass note in the lowest register.

The B sus(#4) chord consists of the B (Perfect unison), F (Diminished fifth) and F# (Perfect fifth) notes, with A as the bass note.

Piano keyboard showing the notes for a B sus(#4)/A chord

How to play the B sus(#4)/A chord

Play A as the lowest bass note in the left hand
Find B (Root) on the piano keyboard
Add F (Diminished fifth) — 6 semitones above B
Add F# (Perfect fifth) — 7 semitones above B
Press all 4 notes simultaneously to sound the B sus(#4)/A chord

Related slash chords

F Viennese trichord/A