Tracks 1-1 to 1-10 recorded Savoy Ballroom, New York, January 22, 1940.
Tracks 1-11 to 1-20 recorded Savoy Ballroom, New York, January 25, 1940.
Tracks 2-1 to 2-10 recorded Roseland Ballroom, New York, February 26, 1940.
Tracks 2-11 to 2-20 recorded Roseland Ballroom, New York, March 4, 1940.
Ella Fitzgerald Jams With Tommy Flanagan, "Lockjaw" Davis, Louie Bellson, Clark Terry, Zoot Sims, Joe Pass, Ray Brown, Harry Edison
Recorded in Los Angeles; January 8, 1974