Shine a Light.

The joke that Martin Scorsese seizes on throughout his megawattage Rolling Stones concert movie, Shine a Light, is that the band's members have been asked 'How much longer can you stay together/productive/alive?' every year since Mick Jagger was a soft-faced boy who looked barely out of grammar school," writes David Edelstein in New York. "In the old days, Jagger seemed to be taunting us - or, more likely, his stuffy British headmasters and their blue-haired wives - by parading around the stage as everything most fearsome, the cock of the walk as a huffy black androgyne. Now he taunts us with his stamina.