The Sounds of Blackness Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Dr. Martin Luther King Jr. reacts in St. Augustine, Fla., after learning that the senate passed the civil rights bill, June 19, 1964. ( Anonymous / AP Photo ) Produced by Morgan Givens Hosted by Dr. Melissa Harris-Perry Produced by GBH, PRX and WNYC Studios