The main difference between Opera and the previous polyphonic vocal music is the unique melodic line, resulting from the merging of bass and singing. In polyphonic music different vocal lines work independently, overlapping one another and making a text often incomprehensible. Opera instead offered a new way for making words expressive and intelligible, by creating a single melodic line, supported by an accompaniment.
Giovanni Bertati sets The Secret Marriage in Bologna not without a reason: Bologna is historically a wealthy city, hometown for enterprising bourgeois engaged in commerce and industry. The city is famous for its towers and long arcades, for the beautiful well-preserved historic centre, one of the largest in Italy. Well renowned is also Bologna strong culinary tradition.
The Teatro San Carlo, certainly one of the finest and biggest in Europe was opened in 1737. Two years later, in 1739 French politician and writer Charles de Brosses referred to Naples as “the world capital of music”.
Not only composer Giovanni Battista Pergolesi but also Gaspare Spontini was born nearby Jesi. The town is however mainly important for being the birthplace of one of the most important and fascinating figure in medieval history, the second emperor of the Hohenstaufen dynasty Frederick II of Swabia (1194-1250) also referred to as the Stupor Mundi “Wonder of the world”.