How do you play the B maj7(b5)/G chord?

To play the B maj7(b5)/G chord on piano, play the B maj7(b5) chord (B, D#, F and A#) with G as the lowest bass note. Place the G 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 maj7(b5)/G chord means a B maj7(b5) chord with G in the bass.

B maj7(b5)/G

Q: What notes are in the B maj7(b5)/G chord?

The B maj7(b5)/G chord uses the 4 notes of the B maj7(b5) chord — B (Perfect unison), D# (Major third), F (Diminished fifth) and A# (Major seventh) — with G played as the bass note in the lowest register.

The B maj7(b5) chord consists of the B (Perfect unison), D# (Major third), F (Diminished fifth) and A# (Major seventh) notes, with G as the bass note.

Piano keyboard showing the notes for a B maj7(b5)/G chord

How to play the B maj7(b5)/G chord

Play G as the lowest bass note in the left hand
Find B (Root) on the piano keyboard
Add D# (Major third) — 4 semitones above B
Add F (Diminished fifth) — 6 semitones above B
Add A# (Major seventh) — 11 semitones above B
Press all 5 notes simultaneously to sound the B maj7(b5)/G chord

Inversions with same root

G 7(alt)

Related slash chords

F 11(b5)(sus4)/G