B Petrushka chord
The B Petrushka chord chord consists of the B (Perfect unison), C (Minor second), D# (Major third), F (Diminished fifth), F# (Perfect fifth) and A (Minor seventh) notes.

How to play the B Petrushka chord chord
- Find B (Root) on the piano keyboard
- Add C (Minor second) — 1 semitone above B
- Add D# (Major third) — 4 semitones above B
- Add F (Diminished fifth) — 6 semitones above B
- Add F# (Perfect fifth) — 7 semitones above B
- Add A (Minor seventh) — 10 semitones above B
- Press all 6 notes simultaneously to sound the B Petrushka chord chord