Who would have imagined that, by the end of a decade largely defined by Timbaland, his frequent collaborator Missy Elliott would all but disappear? Missy been all but M.I.A. lately: her long-awaited Block Party has been stuck in album purgatory for ages, and one mailed-in performance with the Pussycat Dolls doesn't a comeback make. But at long last, there's a genuine sign that she might be preparing to re-surface: check the leaked (and unfinished) track "All 4 U" featuring Lil Wayne. Is it worth it? More »