![Edo deWaart](https://will.illinois.edu/images/uploads/37915/edo_dewaart__medium.gif)
Orion Weiss plays Mozart’s 25th Piano Concerto with the Chicago Symphony Orchestra
Is it whimsy, intent, synchronicity, irony, or some other circumstance when a composer 'self-references' their work by quoting music they wrote? The third movement of Mozart's 25th Piano Concerto uses a melody from his opera Idomeneo.