100-track, 4-disc box set covering an era when folk music shed it's hootenanny skin by addressing political and social issues while becoming more open to change, embracing rock, country and high-class folk pop. This anthology was compiled and annotated by Mick Houghton, author of the acclaimed Sandy Denny biography (I've Always Kept A Unicorn) and Becoming Elektra - The True Story Of Jac Holzman's Visionary Record Label.