Pyrrhus and Demetrius was a 1708 adaptation for the London stage of the 1694 opera Il Pirro e Demetrio by Alessandro Scarlatti with a libretto by Adriano Morselli, first performed at the Teatro San Bartolomeo.[1]
Pyrrhus and Demetrius was the second most successful opera in early 18th century London, after Camilla. It had 58 or 59 performances between 1708 and 1717.[2][3]: 103 The opera marked the London debut of the castrato Nicolò Grimaldi (Nicolini).[4][3]: 99