How do you play the B Viennese trichord/C# chord?

To play the B Viennese trichord/C# chord on piano, play the B Viennese trichord chord (B, C and F) with C# as the lowest bass note. Place the C# note below the other chord tones. Slash chords specify a particular bass note different from the chord root.

What notes are in the B Viennese trichord/C# chord?

The B Viennese trichord/C# chord uses the 3 notes of the B Viennese trichord chord — B (Perfect unison), C (Minor second) and F (Diminished fifth) — with C# 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 B Viennese trichord/C# chord means a B Viennese trichord chord with C# in the bass.

B Viennese trichord/C#

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

How to play the B Viennese trichord/C# chord

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

Related slash chords

F sus(#4)/C#