Music periods

Describe the changes in music from the Classical Period to the Romantic Period. 

How did the changes in opera foreshadow the changes in the periods? 

What were the changes in opera? 

 What were the political and social changes that happened during these periods?

 AT LEAST FIVE pages in length- double space. 

Name the sources used, AT LEAST THREE DIFFERENT SOURCES AND THEY MUST BE LISTED IN A BIBLIOGRAPHY.