How do you play the G m3/B chord?

To play the G m3/B chord on piano, play the G m3 chord (G and A#) 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 notes are in the G m3/B chord?

The G m3/B chord uses the 2 notes of the G m3 chord — G (Perfect unison) and A# (Minor third) — with B played as the bass note in the lowest register.

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 G m3/B chord means a G m3 chord with B in the bass.

G m3/B

The G m3 chord consists of the G (Perfect unison) and A# (Minor third) notes, with B as the bass note.

How to play the G m3/B chord

Play B as the lowest bass note in the left hand
Find G (Root) on the piano keyboard
Add A# (Minor third) — 3 semitones above G
Press all 3 notes simultaneously to sound the G m3/B chord