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

To play the F Viennese trichord/Bb chord on piano, play the F Viennese trichord chord (F, Gb and Cb) 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 F Viennese trichord/Bb chord?

The F Viennese trichord/Bb chord uses the 3 notes of the F Viennese trichord chord — F (Perfect unison), Gb (Minor second) and Cb (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 F Viennese trichord/Bb chord means a F Viennese trichord chord with Bb in the bass.

F Viennese trichord/Bb

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

How to play the F Viennese trichord/Bb chord

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

Related slash chords

B sus(#4)/A#