There are definitely perks to being one of Drake's go-to producers. Matthew "Boi-1da" Samuels discovered this after going from virtual unknown to one of the hottest producers in the game mere months after producing the hottest MC's smash, "Best I Ever Had." Since then, the Toronto native has produced four Top 20 hits—including the power-packed "Forever," featuring Drake, Lil Wayne, Kanye West, and Eminem, as well as Eminem's new single, "Not Afraid," which debuted at #1 earlier this week. We spoke with the producer with the golden touch and got him to tell the true stories behind his biggest hits: why he doesn't like to sample, who he really wanted to give the "Over" beat to, and how two different people can end up with the same beat...