If there can be said to be a single American orchestra which has consistently been at the forefront of efforts to revitalize the classical music industry, the orchestra would have to be the San Francisco Symphony under music director Michael Tilson Thomas. From innovative recordings to fearless marketing techniques to an embrace of technological synergy, the SFS/MTT partnership may be providing a crucial example for other American ensembles to follow as the 19th-century art strives for relevance in the 21st.