Family
Fight obesity. Ahmir Khalib "?uestlove" Thompson, DJ Rich Medina, DJ Diamond Kuts, and other performers are scheduled to appear Saturday night for "Let's Move It Philly!", a charity concert party to raise funds for Black Thought's GrassROOTS Community Foundation. Proceeds will benefit C.H.I.C.K.S. (Creating Healthy Informed Confident Knowledgeable Selves).Sigma Sound Stage, 212 N. 12th St. Doors: 8 p.m. Tickets: $30, at http://grassrootscharityconcert.eventbrite.com. Information: www.grass-rootsfoundation.org
Exhibition
Bruce Springsteen. "From Asbury Park to the Promised Land: The Life and Music of Bruce Springsteen" continues until Sept. 3 at the National Constitution Center, Sixth and Arch Streets.Admission: $24.50, $23 for seniors, $12 for children 4 to 12. It includes the center's main exhibition, "The Story of We the People." Information: 215-409-6700 or www.constitutioncenter.org
Movies
The Secret World of Arrietty *** 1/2 (out of four stars) This captivating animation from Japan's Studio Ghibli is based on The Borrowers, Mary Norton's children's fantasy about micro-beings who live beneath the floorboards. As lovingly written as it is beautifully rendered.1 hr. 35 G