How do you play the G Viennese trichord/Bb chord?

To play the G Viennese trichord/Bb chord on piano, play the G Viennese trichord chord (G, Ab and Db) 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 notes are in the G Viennese trichord/Bb chord?

The G Viennese trichord/Bb chord uses the 3 notes of the G Viennese trichord chord — G (Perfect unison), Ab (Minor second) and Db (Diminished fifth) — with Bb 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 Viennese trichord/Bb chord means a G Viennese trichord chord with Bb in the bass.

G Viennese trichord/Bb

The G Viennese trichord chord consists of the G (Perfect unison), Ab (Minor second) and Db (Diminished fifth) notes, with Bb as the bass note.

How to play the G Viennese trichord/Bb chord

Play Bb as the lowest bass note in the left hand
Find G (Root) on the piano keyboard
Add Ab (Minor second) — 1 semitone above G
Add Db (Diminished fifth) — 6 semitones above G
Press all 4 notes simultaneously to sound the G Viennese trichord/Bb chord

Related slash chords

Db sus(#4)/Bb