Rock out to the most passionate songs of all time at the 10-night 500 SONGS FOR KIDS, featuring 50 songs per night by some great local artists. In year's past, this annual charity event has brought together such acts as Arrested Development and Cee-Lo. By going, you're supporting the Songs for Kids Foundation, which brings live music to kids in hospitals. Through May 9. $10. Mon.-Sat., 6:45 p.m.; Sun., 5:45 p.m. Smith's Olde Bar, 1578 Piedmont Ave. 404-875-1522. www.songsforkidsfoundation.org.