Take a musical journey through the evolution of modern American folk music, from its roots in bluegrass to San Francisco coffee houses to clubs in Greenwich Village. Hosted by Tom and Dick Smothers and Judy Collins, and featuring The Brothers Four, Glenn Yarbrough, The Highwaymen, The Limeliters, Randy Sparks and The Minstrels, and Roger McGuinn from The Byrds, the program includes their own personal reflections on the enduring legacy of these masterpieces. Watch This Land is Your Land Sunday at