21st Century Nos. 13 & 12: Nicki Minaj & Eminem

This week, we've got a pair of "Roman's Revenge" collaborators in Nicki Minaj and Eminem. Host Andrew Unterberger is joined by honorary Barbz Meghan Mahar and Michael Saponara to talk about the Queen of Rap's trailblazing career in pop and hip-hop. Then (at 48:58), it's a Billboard Unfiltered crossover, as Carl Lamarre and Damien Scott join to discuss the peaks and valleys of Eminem's unparalleled run of crossover superstardom, and talk about why his first three years of the century compare with any other pop star of our lifetime.

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