We are here nine times madder after operas than ever; and have got a new castrato from Italy, called Nicolini, who exceeds Valentini, I know not how many bars length.--From The Works of Jonathan Swift--
Here's what someone who was castrated would sound like:
Suddenly, all the male singers with the high voices and long hair, or punk rock girls, or even Lady Gaga, just don't seem that extreme.