Christian McBride in rehearsal at the Kennedy Center. Jeffrey Kliman/Courtesy of the Kennedy Center. hide caption

itoggle caption Jeffrey Kliman/Courtesy of the Kennedy Center.

In a conversation aired on WBGO, Jessye Norman credits the study of jazz with her understanding of song interpretation. Carol Friedman/Courtesy of the artist hide caption

itoggle caption Carol Friedman/Courtesy of the artist

Ella Fitzgerald performs with the Dizzy Gillespie Big Band in 1947. That's Gillespie to her right, in complete awe. William Gottlieb/Library of Congress via Flickr hide caption

itoggle caption William Gottlieb/Library of Congress via Flickr