Cohl, established by then as the country's
biggest concert promoter, had gone to the Stones with an unlikely proposition: he would guarantee the band US$ 40 million for 40 shows.
A year after Woodstock, a
promoter put together another festival with several
big - name acts, including, among others, The Grateful Dead, The Band, and Janis Joplin, and scheduled three, outdoor, day - long
concerts at three separate cities across Cananda.