Michael Tilson Thomas, the acclaimed conductor and music director laureate of the San Francisco Symphony, will be conducting his final concert later this month as he faces a return of his brain cancer. The concert will celebrate his 80th birthday and will be an emotional evening for audiences who see him as an ambassador for classical music and a mentor to young musicians. Tilson Thomas has had a successful career, embracing his Jewish roots and identity through various compositions. He has also been instrumental in nurturing new generations of musicians, leaving a lasting legacy in the field.