The Nelsonville Music Festival takes place June 4-7, 2020, in Nelsonville, Ohio, featuring many musical acts in four days on multiple stages along with on-site camping, artisan vendors, kids' activities, food, a beer garden, and more. NMF is a presentation of Stuart’s Opera House, a nonprofit historic theatre and performing arts center that features more than 75 events a year including live music, theatre, films, educational programming, and more. Billboard has called Nelsonville Music Festival “one of the best-kept secrets…