"We’re sold in Lakewood, [N.J.], which is a yeshiva community," Rosenblatt said. "And then we get e-mails from kids who say they don’t listen to Jewish music at all, but they like us. There’s no reason why high school kids can’t have in their CD book Nirvana, Guns N’ Roses and all of us."Nirvana and G'nR'? That dates him.