The Florentine Camerata
http://es.rice.edu/ES/humsoc/Galileo/Student_Work/Florence96/camerata.html
A brief description of this group, which was influential in the development of the Baroque Opera.
The Recitative
http://w3.rz-berlin.mpg.de/cmp/g_recitative.html
A brief discussion of the recitative form in music, and the history of its application in European music, from the Classical Music pages.
Evolution of Opera
http://members.tripod.com/~dorakmt/music/opera.html
A brief on line discussion of baroque period influences in opera.
Questions