If Eminem's Curtain Call: The Hits really is his final bow and not merely a clever denouement to his series of Eminem Show and Encore albums, it's a worthy way to retire. And even if he stages a comeback years from now, there's little question that the first five years of his career, spanning four albums plus a soundtrack, will be his popular and creative peak, meaning that the time is right for Curtain Call – it has all the songs upon which his legend lies.