Among the many brilliant theater productions that actor-pianist-playwright-producer Hershey Felder has created in which he incarnates famous composers—in the Bay Area he’s been Gershwin, Tchaikovsky, Leonard Bernstein and more—this latest, “Rachmaninoff and the Tsar” at TheatreWorks Silicon Valley, stands out for several reasons. For starters, it’s not a solo show as his others are (except […]