June 5-15: Duke Ellington Jazz Festival
Enjoy more than 100 jazz performances at concert venues and clubs throughout Washington, DC. Three days of concerts on the National Mall.

National Gallery of Art Sculpture Garden - The National Gallery of Art offers free jazz performances at Jazz in the Garden at its outdoor café every Friday evening throughout the summer. 5-8:30 p.m.

Herndon Rocks - Free outdoor concerts every Friday through August 28. 6:30 - 10:30 p.m. on the town green in Herndon.

Strathmore Hall Free Summer Outdoor Concerts are held Wednesday nights from June 24 - August 5 at the Gazebo. This series features a collaboration with the Smithsonian Folklife Festiva. Rockville, Maryland.

Military Bands, various locations Navy Band at the Navy Memorial on Tuesdays (8 pm); US Air Force Band on Wednesdays & Fridays (8 pm); or the US Marine Corps Band on Wednesdays (8 pm)

Pentagon City Summer Concert Series - Live music, free prizes, merchant specials and more. Thursday nights, through August 20. 7-9 p.m.

Old Town Alexandria Market Square, 301 King St. at 7:30 p.m. June 5 & 19; July 17 & 31; & August 7 - Alexandria Citizens Band Concerts - the City's Oldest Performing Arts Group. August 14 - Alexandria Harmonizers.

Vienna Town Green - Concerts On The Green is a free performance series presented by the Town of Vienna and the Friends of the Vienna Town Green. Various dates.