1. Under the Streetlamp: Quartet from Chicago cast of "Jersey Boys" revives doo-wop, Motown, rock 'n' roll, and vocal favorites from the 1950s and 1960s.
Where: Music Center at Strathmore, 5301 Tuckerman Lane, North Bethesda
When: 8 p.m. Saturday
Info: $28 to $58; 301-581-5100; strathmore.org
2. Maurizio Pollini: The Italian piano virtuoso performs works by Chopin and Debussy.