Geto Boy member and solo act Scarface says he’s not a gangsta rapper, he’s a reality rapper. Nonetheless, the 23-year-old Texan’s drawled rhymes about black men killing black men have placed him near the top of the charts. One can only hope it’s his seductive beats and phrasing, and not his macho street ethic, that are responsible for his success. With Rare Essence and the Backyard Band at 10 p.m. at De Zulu Cave, 2221 Adams Pl. NE. $20. (202) 529-0394. (SK)