Jr. adviser and speechwriter Clarence B. Jones talks to WSJ's Monika Vosough about how Martin Luther King's favorite gospel singer Mahalia Jackson helped create the "I Have a Dream" speech.

Improv is also a thread that connects ancient bards to Beethoven and Mozart, and to Martin Luther King, Jr. Which is ... the great Gospel singer Mahalia Jackson, was sitting close by him.

PHILADELPHIA (KYW Newsradio) — A free tribute concert in Wilmington, Delaware this weekend will honor the legacy of Martin Luther King Jr ... moving piece is Mahalia Jackson’s “Precious ...

As the “Queen” of gospel music, Mahalia Jackson sang two songs during the historic March on Washington. But her most famous line may have been a suggestion to Rev. Martin Luther King Jr ...