How do you play the G dim7/B chord?

To play the G dim7/B chord on piano, play the G dim7 chord (G, A#, C# and E) 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 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 dim7/B chord means a G dim7 chord with B in the bass.

G dim7/B

Q: What notes are in the G dim7/B chord?

The G dim7/B chord uses the 4 notes of the G dim7 chord — G (Perfect unison), A# (Minor third), C# (Diminished fifth) and E (Major sixth) — with B played as the bass note in the lowest register.

The G dim7 chord consists of the G (Perfect unison), A# (Minor third), C# (Diminished fifth) and E (Major sixth) notes, with B as the bass note.

Piano keyboard showing the notes for a G dim7/B chord

How to play the G dim7/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
Add C# (Diminished fifth) — 6 semitones above G
Add E (Major sixth) — 9 semitones above G
Press all 5 notes simultaneously to sound the G dim7/B chord

Related slash chords

C# dim7/B
E dim7/B
A# dim7/B