Barack and Michelle Obama have added their voices to the public grieving of Frankie Knuckles, the Chicago house pioneer who died last month at age 59. Knuckles' frequent production partner David Morales shared via Facebook a letter addressed to Knuckles' family and friends that the President and First Lady signed. It acknowledges Knuckles contribution to culture with high praise: "Frankie's work helped open minds and bring people together, blending genres to capture our attention and ignite our imaginations. He was a trailblazer in his field..."
You can read the letter below in its entirety: