This is the place to hear the best unsigned rock acts in town for practically pennies. Monday night is rock 'n' roll karaoke night at 10 pm. Not a place to go for a quiet chat. Nightly from 6. Cover US$8-$10, free on Monday. 95 Stanton St., between Ludlow and Orchard streets (subway line F or V to Second Avenue), Manhattan, New York City. Phone 212-995-1652. http://www.arlenesgrocery.net.