Great Lakes Folk Festival a beloved East Lansing tradition

Great Lakes Folk Festival a beloved East Lansing tradition
The Great Lakes Folk Festival returns this weekend, now in a compact, concise form. The bad news? Valley Court Park, which gave the festival its evening flavor, will be ignored.
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What are the best folk/ blues musicians?

E.g. John Mayer – Bar singers etc.
Newest musicians and old?

How did Jazz, Blues, and Folk Music affect American society in the 1920s-1930s?

Effectively discuss the cultural, political and economic effects Jazz, Blues and Folk music had on American society in the 1920s and 1930s. Be sure to include a thorough discussion of the cultural history of the times and how each form of music dramatically shifted the social, political and economic landscapes of American History. [...]