NSO  In Your Neighborhood returns to the Columbia Heights, U Street, and Shaw and this Friday they'll be at St. Augustine. The event is free and open to the public. 

NSO musicians Wanzhen Li and Vijeta Sathyaraj (violin), Tsuna Sakamoto (viola), and Steven Honigberg (cello) perform a program of string quartet
music.

nationalsymphony.org/IYN