Denyce Graves

For the Martin Luther King, Jr. holiday, we look back at an earlier conversation about Marian Anderson's historic performance on the steps of the Lincoln Memorial in 1939. We'll hear about her legacy -- as a civil rights figure and as a singer -- from opera star Denyce Graves and Raymond Arsenault, author of the book The Sound of Freedom.

This year marks the 70th anniversary of Marian Anderson's historic performance on the steps of the Lincoln Memorial. Today, we look at her legacy -- as a civil rights figure and as a singer -- with African American opera star Denyce Graves and Raymond Arsenault, author of the book The ...