JULY 9th-11th: Visit https://mchenryfiestadays.com/ for more information, and to purchase tickets. Event is held at Petersen Park, McHenry IL. Friday, July 9: Rok Brigad, and Hairball 9pm. Saturday, July 10: Nashville Electric Company, and Semple 8:00pm, Sunday, July 11: Modern Day Romeos, and GooRoos – 3:30pm.