Tam will perform at the noon concert Thursday. Derek Tam appears regularly throughout the Bay Area and beyond as a conductor and historical keyboardist. He is the executive director of the San Francisco Early Music Society, a major advocate for early music in the United States, and serves as the artistic director of the biennial Berkeley Festival & Exhibition, an internationally renowned celebration of early music. Tam is president-elect of the board of Early Music America, a national organization dedicated to strengthening historical performance. For more details about this concert, visit the And more music shared by Mondavi Center: Stravinsky In a time when even the smallest groups of musicians are unable to physically gather, a group of 34 performers met virtually to perform Stravinsky’s “The Rite of Spring — ‘Sacrificial Dance.”