This site allows you to seek information and sound files by composer, title, and opera with information and links to help you better understand and hear the aria. (
http://www.aria-database.com/
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This interesting site discusses evidence in Mozart's operas of his activities with the Freemasons. (
http://www.edmond-mason.org/education/Mozart.html
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This site offers an informative radio broadcast about Mozart's involvement in some recently discovered operas of the time. (
http://www.npr.org/templates/story/story.php?storyId=1028847
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On this site you can find some informative notes about the Nelson Mass by Haydn and its connection to the battle of the Nile and Lord Nelson. (
http://www.choirs.org.uk/prognotes/Haydn%20Nelson%20Mass.htm
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This beautiful site offers information on the most popular operas including many by Mozart. It offers synopses of the plots and wonderful sound files to listen to as well. (
http://www.operaworld.com/cornerstones/index.shtml
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This site contains a good glossary of terms and definitions that you will find often in writing about opera. (
http://www.patriciagray.net/operahtmls/terms.html
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This site features links to many primary source documents for the Age of the Enlightenment that influenced literature and music in the classical period. (
http://www.historyteacher.net/APEuroCourse/WebLinks/WebLinks-AgeOfEnlightenment.htm
)