In 1955, as the Soviet Union's pervasive propaganda about the U.S. and American racism spread globally, Adam Clayton Powell, Jr. convinced President Eisenhower that jazz was the best way to intervene in the Cold War cultural conflict. For the next decade, Dizzy Gillespie, Louis Armstrong, Duke Ellington, Benny Goodman, and Dave Brubeck traveled the globe to perform as cultural ambassadors.

Presents three concerts featuring Sarah Vaughan, the "Divine One", in her prime, wrapping her voice around jazz standards such as Lover man, Misty, and I got rhythm, and showtunes such as Over the rainbow and Maria, among others.

Filmed at the 1958 Newport Jazz Festival in Rhode Island and directed by photographer Bert Stern, this documentary features intimate performances by an all-star line-up of musical legends including Louis Armstrong, Thelonious Monk, Gerry Mulligan, Anita O'Day, Chuck Berry, Dinah Washington, and closes with a beautiful rendition of The Lord's Prayer by Mahalia Jackson at midnight to usher in Sunday morning.