Dr. Martin Luther King Jr.'s life-changing "I Have A Dream" speech hits half a century today. There's no prose that could explain how monumental The March on Washington and MLK's poignant sermon was to our home country and beyond. Yet the storied speech has made its mark on music artists, too. Some, like Kendrick Lamar, The Game, Nas and J. Cole, have name dropped the civil rights hero on songs. Others have lifted his words for their own tracks. Check out the playlist below for eight songs that sample Dr. Martin Luther King Jr.'s "I Have A Dream" speech.