I found Festival Express a good watch. Some of the best musicians around at the time (1970) shared a train across Canada taking Woodstock to the masses. Grateful Dead, Janis Joplin, The Band, The Flying Burrito Brothers, Buddy Guy etc. with at least some of the excesses of the time documented for all to see.
I'm in work so can't provide any links but seem to recall I watched it via Primewire.