All Good Music Festival   All Good Music Festival Preview Coverage All Good Music Festival will be returning to Legend Valley in Thornville, Ohio this July 18-21. The music festival is now in their 17th year, and has become a centerpiece for the music festival season. 20,000 guests ventured out to the festival grounds in 2012, and the festival organizers are preparing for another large scale event that can support a growing community. Legend Valley is a privately owned concert venue that hosts festivals and events throughout the year. All Good is pleased to be moving there in