TODAY
MOUSE PARTY: Leave it to Disney to organize a Lollapalooza-like fest for the preschool set. Its daylong Disney Music Block Party Tour features performances by Choo-Choo Soul, Ralph’s World, Imagination Movers, They Might Be Giants and Dan Zanes and Friends, hosted by the perennially perky Raven-Symoné. Through tomorrow, 2 to 8 p.m., $36 per person (kids under 2 free). Nassau Coliseum parking lot, 1255 Hempstead Turnpike, Uniondale; 631-888-9000.
LAST PICTURE SHOW: This year’s Central Park Film Festival finishes up with a Family Night screening of “August Rush,” the story of an orphaned musical prodigy made good. OK, the critics carped – but hey, it’s free, and so is the popcorn! 8 p.m., gates open at 6. Rumsey Playfield, Fifth Avenue at 69th Street; 212-310-6600.
TOMORROW
RIFFS N’ RIBS: Get down and chow down at the ninth annual Blues and BBQ Festival, where Dallas Jones Bar-B-Que, Mara’s Homemade and others will serve their specialties with a side of live tunes by the likes of Cedric Burnside and Lightnin’ Malcolm, Sugar Blue and Larry Garner. 2 to 9 p.m. Admission is free, but bring cash for food. Pier 54 at West 14th Street; 212-627-2020.