Ab Petrushka chord

How to play the Ab Petrushka chord chord

1. Find Ab (Root) on the piano keyboard
2. Add Bbb (Minor second) — 1 semitone above Ab
3. Add C (Major third) — 4 semitones above Ab
4. Add D (Diminished fifth) — 6 semitones above Ab
5. Add Eb (Perfect fifth) — 7 semitones above Ab
6. Add Gb (Minor seventh) — 10 semitones above Ab
7. Press all 6 notes simultaneously to sound the Ab Petrushka chord chord