“Porgy and Bess”: Gershwin’s American opera is performed. [7:30 p.m. Kennedy Center, 2700 F St. NW]
Kaishi Katsura: The traditional Rakugo comedian performs. [6 p.m. Kennedy Center, 2700 F St. NW]
Samurai Orchids: Japanese-orchid expert Jason Fischer discusses the history and culture of the native orchids. [6:30 p.m. U.S. Botanic Garden, 100 Maryland Ave. SW]
Cherry Blossom Tea: A traditional outdoor tea with scones, desserts and Japanese tea blends. [1 p.m. Tudor Place, 1644 31st St. NW]
“Herblock, His Foes and His Editors”: Warren Bernard lectures on the cartoonist and his work. [Noon. Library of Congress, 101 Independence Ave. SE]
Marcy Marxer: The Grammy Award-winning guitarist, cellist and singer-songwriter performs. [7:30 p.m. Strathmore, 10701 Rockville Pike, North Bethesda]
Detective McDevitt: A walking tour that examines the crime scene of Lincoln’s assassination. [6:30 p.m. Ford’s Theatre, 511 10th St. NW]
National Law Enforcement Officers Memorial Tour: Call 202-747-3461 and listen to a guided audio tour. [Judiciary Square, Fourth and G streets NW]
Teddy Bear Tea: Tea and story time for kids and their plush friends. [1 p.m. Strathmore, 10701 Rockville Pike, North Bethesda]
Underground scene
Rebirth Brass Band: The New Orleans funk group performs with Funksway. [6 p.m. State Theatre, 220 N. Washington St., Falls Church]
Robert Earl Keen: The Texan singer-songwriter performs country music. [7:30 p.m. Birchmere, 3701 Mount Vernon Ave. NW]
