Sunday 9am ET – LIVE on C-SPAN & C-SPAN3 Woodstock Festival 50th Anniversary American History TV and C-SPAN's Washington Journal look back at the 1969 three-day rock concert that attracted nearly half a million people to a dairy farm in upstate New York. Historian David Farber joins us to talk about the social movements of the time, how the unexpected cultural phenomenon unfolded, and the music festival's legacy. Mr. Farber is the author of "The Age of Great Dreams: America in the 1960s." INFO: