How do you play the G dim7/Bb chord?

To play the G dim7/Bb chord on piano, play the G dim7 chord (G, Bb, Db and Fb) with Bb as the lowest bass note. Place the Bb 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/Bb chord means a G dim7 chord with Bb in the bass.

G dim7/Bb

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

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

The G dim7 chord consists of the G (Perfect unison), Bb (Minor third), Db (Diminished fifth) and Fb (Major sixth) notes, with Bb as the bass note.

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

How to play the G dim7/Bb chord

Play Bb as the lowest bass note in the left hand
Find G (Root) on the piano keyboard
Add Bb (Minor third) — 3 semitones above G
Add Db (Diminished fifth) — 6 semitones above G
Add Fb (Major sixth) — 9 semitones above G
Press all 5 notes simultaneously to sound the G dim7/Bb chord

Inversions with same root

A# dim7

Related chords with different root

C# dim7
E dim7
G dim7

Related slash chords

C# dim/A#