Here's your daily look at 'Today in Rock History' featuring: Amy Poehler is 48. She was Leslie Knope on "Parks & Recreation." The former Mr. Jennifer Lopez, Marc Anthony, is 51. Mickey Rourke is 67. AND B.B. King was born on this day in 1925. Today in 1979, RAP MUSIC EXPLODED ONTO THE SCENE, with the release of the Sugar Hill Gang's "Rapper's Delight". Today in 1984, "Miami Vice" premiered, starring Don Johnson and Philip Michael Thomas as Crocket and Tubbs. And for a hot minute--we all dressed as those two doofuses