college

There is much to admire, Mr. Roberts suggested, in the vision of teenagers of all sorts united in pursuit of a music that blends computerized pop syncopations with hip-hop beats, that obliviously blurs racial boundaries and that encourages sartorial

Yet as with so much else on the Web, there is some mysterious alchemy involved.

And jerking, its adherents say, has a cultural resonance that goes beyond the Reject and the Tippy Toe.nn’¢€œJerking is a movement, almost like in the ’¢€™80s when rap started,’¢€ said Tammy Maxwell, the manager of the Ranger$ and the mother of Julian Goins.

Mr. White was referring to Camera and China Walker, 16-year-old twins from a girl group that first posted YouTube videos of salacious home-recorded jerking songs like ’¢€œTasty’¢€ just seven months ago.