Smokey Robinson hosts the Kennedy Center's annual Spring Gala that this year also honors Michael Kaiser's 10 years at the helm. The gala features such cultural powerhouses as Joshua Bell, Barbara Cook, Renee Fleming, Audra McDonald, Brian Stokes Mitchell and Megan Fairchild as well as the Kennedy Center Opera House Orchestra and the National Symphony Orchestra. Sunday, April 3, at 8:30 p.m. Kennedy Center Opera House. Tickets are $50 to $150. Call 202-467-4600 or visit kennedy-center.org.