Please note: No carry ins or coolers are allowed inside the festival grounds. Please patronize our beverage stands and our great food vendors!       Jazz is sponsored by Dubuque Main Street  and we will be serving up ice-cold beverages all night long! 2019 Contributors: 365Ink Dittmer Recycling Envision Screen Printing Herbst Upholstery Radio Dubuque Refinery Design Company Senior High School Cheerleading Squad Union-Hoermann Press   2019 Food Vendors Adobos, Chocolate Hog, Catfish Charlie’s, Happy Hibachi, Magoos, Sugar Rays…