Even now -- maybe especially now -- Woodstock has deep, lasting meaning. Its mix of music, culture and idealism resonates across the years. It gave youth a voice. It changed the music business. It energized activists. From stadium shows to social-justice movements, its legacy is strong: half a century later. Follow the inside story of the event and the history that continues! Woodstock: 3 Days That Changed Everything gets inside this familiar story to shed new light on an iconic event. Join host Mark Goodman, Ritchie Havens, Arlo Guthrie, John Sebastian, Country Joe McDonald, original festival organizers Michael Lang and Artie Kornfeld, Wavy Gravy, Max Yasgur's son Sam, and The Museum at Bethel Wood's Woodstock historian Wade Lawrence as we dive into: Act One: A Festival is Born. How did Woodstock even happen, against such long odds? Act Two: The Show. Hear from people who were there and follow the concert from start to finish. The stories are ... vivid. Act Three: The legacy. This is really the enduring story, as Woodstock helped re-shape the culture in so many ways. Whether you were there, or just wish you were, this was a watershed event. And it's worth remembering - for reasons both familiar and surprising. Join us as we celebrate those remarkable three days. - A look at the impact of the original Woodstock concert.