Retired Jazz and Blues vocalist and composer Dr. Joan Cartwright discusses how Black singers in the United States of America emerged from Spirituals and Blues to develop Jazz. Their free-spirited songs delivered messages of liberation, signaling to Africans in America that they could be free. This lecture features songs of the era performed by vocalists Dottie Kelly and Sabrena Rich. Tune in at 5 p.m. for the premiere on the Norton’s YouTube channel.