Iconic late night TV host David Letterman announced a 2015 retirement. Take a look at the top performances on his show.
James Brown calms Boston following the assassination of Martin Luther King Jr. on April 5, 1968.
Singer joins the bill to celebrate the release of the Godfather of Soul's biopic, Get on Up.
The Hollywood veteran talks the upcoming James Brown biopic.
The Godfather of Soul has contributed much to hip hop.
James Brown receives a star on the Hollywood Walk of Fame on Jan. 10, 1997.