Changes

|title=Opera

|author=Robert Cannon

|publisher=Cambridge University Press

|date=February 2012

|summary=A study of opera from earliest times to the present, including examinations of the major composers, and illustrative tables. It assumes some prior knowledge of the subject and is written to some extent with the informed specialist in mind.

}}

Opera, Cannon tells us in the introduction to this book, ''has never ceased to grow and change – often quite radically.'' His aim is to describe and show the many different facets of opera in its development over the centuries, and its relevance to the modern world. While he does not intend to write a history as such, he has organised this book chronologically as opera developed in a very conscious way across Europe.