Opera seria underwent more change in the latter part of the eighteenth century than is commonly recognized, but the nature of the change often had as much to do with practical considerations as with aesthetic ideology. This essay focuses on Turin's Teatro Regio, which in the 1760s imported two particularly innovative operas, Sofonisba and Oreste, and retained some ‘‘progressive” features while discarding others. This essay demonstrates the importance of extra-musical factors in decisions regarding production.

A notorious adultery scandal involving Guillaume Kornman (a co-founder and sponsor of the French mesmeric society) and Beaumarchais, who defended Kornman’s unfaithful wife, should be considered one of the main sources of inspiration for Così fan tutte. A pamphlet war between the two broke out in 1787, when Salieri was living with Beaumarchais in Paris. Significantly, the earliest sources of the opera – Salieri's first unfinished setting of La scola degli amanti, Da Ponte's original libretto, and Mozart's autograph – all spell the name of Guglielmo as ‘Guilelmo.’ A study of this real-life Parisian drama helps to clarify several dramatic and musical elements of the opera, including the use of mesmeric references, which is more pervasive than previously recognized. In this new light, the opera appears to offer a political response to the radical ideas on the regulation of sexual and social matters disseminated by Kornman's mesmeric circle.

This essay examines the attributes of some typical opere buffe by Vincenzo Fioravanti, Nicola De Giosa, and Errico Petrella that may count as particularly Neapolitan. Contextualizing these ‘Neapolitan’ elements – especially the ‘Neapolitan characters’ like Pulcinella, and the use of local dialect and spoken dialogue – demonstrates their function in the comedy of these works, which rests on the multifarious, complex and yet direct connections between theatrical events and the real world surrounding them.

According to conventional wisdom, East German censorship of The Trial Of Lucullus (1951) required that composer Paul Dessau and librettist Bertolt Brecht completely overhaul the opera before it could be re-premièred later that year as The Condemnation Of Lucullus. However, archival sources prove that the two versions are virtually identical, suggesting that the attendant controversy was adroitly managed by East German officials to appease both internal/Soviet and the external/Western audiences. Analysis of several versions of scene 8 demonstrates that Dessau revised far more before the first première than after, and examines his use of musical style to symbolize sociopolitical status.