The Bluegrass Classic presents The MACC at Cardinal Center Campground, Marengo,Ohio. The dates for the music festival are July 29 - August 1, 2020. Proceeds from this festival will benefit St. Jude Children's Research Hospital in Memphis, Tennessee. Since the year 2000, MACC and you have donated over $1,038,786.00 to St. Jude and the Hoover Y, helping children around the world. This year will be the 21st Year for Musicians Against Childhood Cancer.