In Killer, Eminem’s rapid-fire delivery and punchy lyrics take center stage. Learn how this track marks his reputation as one of rap's most energetic forces.

So, is there a universe in which Eminem would be a good coach on The Voice? While we can only dream about the roster of music ...

Rhymfest's recollection of the incident is not nearly as bitter as Benzino's rant—but does that make it any less controversial?