Lollapalooza: Summer music festivals

Published: May 10 2011 05:23:18 PM EDT   Updated On: Aug 02 2013 02:00:52 AM EDT
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Lollapalooza starts today in Chicago, Illinois. From the mountains of Colorado to the forests of Milwaukee, this summer will be jam-packed with some of the best music festivals ever. Find out more about these events that spotlight everything from alternative rock to jazz -- and have spawned their own festival cultures.