For much than fractional a century, conductor-composer Michael Tilson Thomas has graced the stages of performance halls with a swashbuckling style. Earlier this year, Thomas led the San Francisco Symphony successful his past scheduled conducting show owed to the instrumentality of his glioblastoma – an assertive encephalon tumor. He talks with "60 Minutes" analogous Lesley Stahl astir however helium was changed by conducting for the archetypal clip successful inferior precocious school, and astir surviving a beingness successful the arts.