There are many theories regarding when and where music originated. Many agree that music began even before man existed. Historiographers point out that there are six periods of music and each period has a particular style of music that greatly contributed to what music is today. The periods are:

Medieval/Middle Ages

Renaissance

Baroque

Classical

Romantic

20th Century

To read more follow this link: ​​​http://musiced.about.com/od/beginnersguide/a/intro.htm 

 

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History of Music