Longtime Lower East Side denizens Jim Campilongo and Tony Scherr bring their Monday-night doubleheader to Rockwood. For the instrumentally inclined, it constitutes one of the best hangs in town: a pass-the-hat scenario starring two versatile guitarists—Scherr at 9pm, Campilongo at 10pm—piloting hot threesomes with rhythm mates capable of anticipating every swerve.