Trailer: Crosby, Stills, Nash & Young: Fifty by Four - Half a Century of CSNY

The incredible story of Crosby, Stills, Nash & Young, featuring exclusive interviews, rare performance footage and more. This is CSNY's story, a journey of breakthroughs, breakdowns, break-ups and incredible music. Featuring exclusive interviews, seldom-seen footage, classic and rare performances, and contributions from those who worked closely with CSNY across the years.