Classical music aficionados have long bemoaned the lack of a modern version of Leonard Bernstein, a musical ambassador capable of producing top-quality concerts that are also attractive to mass audiences. But the truth is, San Francisco Symphony music director Michael Tilson Thomas has been laying claim to the Bernstein legacy for years. His latest brainchild – a 5-year, $23 million multimedia project designed to bring symphonic music back into the forefront of the public mind – is already rolling, and MTT is taking a very hands-on role to ensure its success.