Gettin' Jiggy

By Melissa August, Harriet Barovick, Autumn DeLeon, Tam Gray, Lina Lofaro, James Poniewozik and Michele Orecklin

DANCE VS. DANCE What will be the Macarena of the millennium? Mambo No. 5, an old Cuban tune with new words and its own dance steps, tops the charts in 15 countries and request lists in the U.S. But Chicagoans are betting on the "milly," a funky nine-step dance (instructions above) they have learned in droves and will perform on New Year's Eve. Not even Nostradamus could have predicted this.