What's castrati?

Question: What's castrati!?
Best Answer - Chosen by Asker:

Castrati would probably refer to an archaic practice of castration to prevent a young boy's voice from changing, therefore he would always have a high voice!. Needless to say its not around anymore!.Www@QuestionHome@Com

The answer is correct - fyi there is an interesting movie called Farinelli about the subject, focusing on the titled character who was the last known castrati!.Www@QuestionHome@Com