The artists involved were Common and Bilal Sayeed Oliver. Bilal is an American singer-songwriter and is an independent artist who lives in New York City. He grew up in a religiously mixed household, his mother being a devout Christian and his father, a Muslim.

Letter to the free is a hip hop song which relates to the political issue of how criminals are just modern slaves and was released in 2016. It has been nominated for an NAACP image award for outstanding song. Letter of the free is in the album Black America Again.