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From Woodstock, a famous American festival.

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1. Forming the names of theme-based festivals or concerts.
   • 2002, San Francisco Chronicle -, Pope musters energy to rally church's next generation:

     From a 25-foot-high platform on the shores of Lake Ontario reminiscent of a rock concert stage, John Paul delivered his prescription for a fulfilling life to the Catholic Church's next generation during the three-hour opening ceremony of World Youth Day, also dubbed "Popestock."

   • 2004, Las Vegas Mercury -, A/E: Entertainment calendar (cont.):

     Cheesestock: Camping event for people who love cheese. Must bring a cheese dish or item. March 6

   • 2004, The Daily Collegian (Penn State) - Filmstock festival an indie darling

• 'tocks, tocks