Photo by Joseph Gruber.

NKOTB: New Kids on the Block! TLC! Nelly! Verizon Center (601 F Street NW) 7 p.m. $20+.

SUMMER CAMP: Sing songs, drink bug juice, do arts & crafts, and hear from “Chet Breaston, Shitty Astronaut.” The Wonderland Ballroom (1101 Kenyon Street NW) 7:30 p.m. Free.

ART: Kota Ezawa discusses his work LYAM 3D, “a refiguring of Alain Resnais’s French New Wave film, L’Année dernière à Marienbad (Last Year at Marienbad).” Smithsonian American Art Museum and the Renwick Gallery (800 G Street NW) 5:30 p.m. Free.