The Grandoozy will take place at Overland Park Golf Course in Denver on September 14-16. The festival is headlined by Kendrick Lamar, Florence + The Machine and Stevie Wonder. Also performing are The Chainsmokers, Logic, Sturgill Simpson, Miguel, Phoenix, Young The Giant, St. Vincent, The War On Drugs and many others totaling just under 40 … More Discount Grandoozy Tickets are On Sale with Promo Code CHEAP