The newly-built opera house in the park at Schloss Eszterháza was opened in September 1768 with Lo Speziale. The work has combinations of roles and the complications typical for opera buffa. The two youths Mengone and Volpino complete for the affections of Grilletta, the pretty ward of the strange apothecary Sempronio. But the apothecary would prefer the girl for himself. In the end, true love triumphs.

Unfortunately, the score of Lo Speziale has not survived the centuries in a complete f...