Opera has, since its origin, been considered the highest form of theatrical pastime. The very appellation "opera" indicates that in the land of its birth it was looked upon as the "work" par excellence, and to this day it is the form of Art which is invariably honoured by exalted patronage, and one that people pay the most to enjoy. It is hardly necessary to advance documentary evidence in support of this assertion; moreover, it is beyond the scope of this book to marshal all the historical facts.