1) http://www.cilea.it/music/entrance.htm
Everything about Italian music
2) http://www.pirandello.com/opera.html
History
of Italian Opera3
2) http://www.ontopia.net/omnigator/models/topicmap_complete.jsp?tm=opera.xtm
Italian Opera Topic Map
4) http://www.vanderbilt.edu/htdocs/Blair/Courses/MUSL243/bcitalpg.htm
Early Italian Opera Web Presentation
5) http://www.fathom.com/feature/122191
The castrati singers