Based on a play by Jean Racine, Mitridate, re di Ponto is an early Mozart opera that premiered in December 1770. The musicologist Daniel E. Freeman recently demonstrated that Mozart incorporated some musical motives from Josef Mysliveček’s La Nitteti, which was first performed in April 1770 just a month after the young Amadeus first met the older composer, into his own operatic setting. Nevertheless, this hardly detracts from the achievement of a fourteen-year old composing such an...