They were each born with the gift of gospel. Martin's voice kept people in their seats, but also sent their praises soaring.
Mahalia's voice was brass-and-butter - strong and smooth at the same time. With Martin's sermons and Mahalia's songs, folks were free to shout, to sing their joy. On August 28, 1963, Martin Luther King, Jr. gave his famous "I Have a Dream" speech from the steps of the Lincoln Memorial,...