ATLANTA HORROR FEST invites the city to indulge in its favorite pastimes -- namely, dressing like freaks and watching bands and movies. The four-day festival, which lasts from OCT. 27-30, has underground horror film screenings at Eyedrum and more than 20 band showcases at Lenny's. Highlights include a zombie walk from Lenny's to the Oakland Cemetery; Dirty Pillows, a '70s-themed prom night and Carrie White look-a-like contest; and a huge closing party and costume contest at Lenny's. $7-$30. Lenny's: Fri., 7 p.m.; Sat., 3 p.m.; Mon., 8 p.m. 486 Decatur St. 404-577-7721. Eyedrum: Fri., 5:30 p.m.; Sat., 2 p.m.; Sun., 3 p.m. 290 Martin Luther King Jr. Drive, Suite 8. 404-522-0655. www.atlantahorrorfest.com.