B.B. King: The last of the great bluesmen is joined by Lukas Nelson and The Promise of the Real.
Where: Wolf Trap Filene Center
When: 8 p.m. Sunday
Info: $42 in-house, $25 lawn; 877-965-3872; wolftrap.org
NSO @ Wolf Trap: Emil de Cou brings romance back in style with an evening of music inspired by the Romeo and Juliet story composed by Bernstein, Tchaikovsky and Prokofiev, with arias from Gounod's opera sung by members of the Wolf Trap Opera Company.
Where: Wolf Trap Filene Center
When: 8:15 p.m. Friday
Info: $32 to $52 in-house, $20 lawn; 877-965-3872; wolftrap.org
Terence Blanchard: The extraordinary trumpet player blows hot and cool for a long, jazzy weekend.
Where: Blues Alley
When: 8 and 10 p.m. Thursday to Sunday
Info: $35; 202-337-4141; bluesalley.com
Helios: Eadweard Muybridge in a Time of Change: A century after his death, the groundbreaking photographer and filmmaker Muybridge is best remembered for his sequential studies of creatures in motion. This essential retrospective ends with the weekend, and rewards repeat visits.
Where: Corcoran Gallery of Art, 500 17th St. NW
When: CLOSING SUNDAY
Info: $10; $8 students and seniors (ages 62 and older); free for age 12 and under; corcoran.org
"Avenue Q": The smash-hit Broadway musical, whose irreverent book and score deal with the lives of people who struggle to survive in New York City, is performed by a cast made up of people and puppets.
Where: The Lansburgh Theatre, 450 Seventh St. NW
When: 7:30 p.m. Tuesday to Wednesday, 8 p.m. Thursday to Saturday, 2 p.m. Saturday and Sunday; through Aug. 15
Info: $20 to $87; 202-547-1122; shakespearetheatre.org
"One Man 'Lord of the Rings' ": Charles Ross transforms the 11-hour and 23-minute epic film trilogy into a 65-minute solo thrill ride. Using nothing more than elbow pads and knee pads, Ross conjures up the 42 characters, familiar theme music and sound effects that have enchanted audiences around the globe.
Where: Woolly Mammoth Theatre, 641 D St. NW
When: 8 p.m. Tuesday to Friday, 6 and 9 p.m. Saturday, 2 p.m. Sunday; through Aug. 1
Info: $30; 202-393-3939; woollymammoth.net
Signature Open House: Daylong events including performances, master classes, demonstrations, exhibits, kids' activities and ticket discounts as well as a search for 10 best new solo singers in the D.C. region.
Where: Signature Theatre, 4200 Campbell Ave., Arlington
When: Noon to 10 p.m. Saturday
Info: Free; 703-573-7328; signature-theatre.org
Capital Fringe Festival: The fifth annual festival features theater, music, dance, poetry and clowning.
Where: Fort Fringe, 607 New York Ave., NW; festival takes place at various venues throughout D.C.
When: Through July 25
Info: $15 (with purchase of $5 button); 866-811-4111; capitalfringefestival.org