| Component intervals from root | |
|---|---|
| diminished seventh | |
| minor sixth | |
| diminished fifth | |
| minor third | |
| diminished third | |
| root | |
| Forte no. | |
| 6-30 |
The Petrushka chord is a recurring polytonal device used in Igor Stravinsky's ballet Petrushka and in later music. These two major triads, C major and F♯ major – a tritone apart – clash, "horribly with each other," when sounded together and create a dissonant chord.[1]