>> a great deal of music of the '70s was people who had succeeded in the '60s finding new ways to express themselves in the '70s. >> have you got any idea why your group particularly has lasted as long as it has? >> because we stayed together, i suppose. >> for a few years, the rolling stones had taken a lot of casualties. >> even brian felt that he wasn't going to be around that long. not everybody makes it. >> they were fighting for like, where do we secure our foothold now? ♪ ♪ >> 1971, the rolling stones leave their home for tax purposes to go live in france. and record this record. "exile on main street." in a very hot, uncomfortable, muddy-sounding studio.