PAST: Free Lunchtime Concert with NGA String Quartet at Harman Hall WED, May 20th. Noon - 1:00pm

National Gallery of Art String Quartet will perform tomorrow’s program at Happenings at the Harman, with selections from Haydn, Vivaldi and Kivrak, it will be a program to celebrate the arrival of the warmer weather after the rain of last week. At Harman Hall, 610 F St, NW Metro: Gallery Place Chinatown, Arena Exit