By Brandy McDonnellA version of this story appears in Friday's Weekend Life section of The Oklahoman.Bob Childer's Gypsy Cafe music festival raises more than $30,000 for Oklahoma nonprofitSTILLWATER - John Cooper is accustomed to the unpredictability of Oklahoma’s weather, but he was a bit concerned when this year’s late storm season rolled in just in time for the Bob Childers’ Gypsy Café.“I was worried about the weather.Read more on NewsOK.com