Ella Fitzgerald — Vocals.
Count Basie — Piano.
Marshall Royal — Clarinet, Sax (Alto).
Frank Wess — Flute, Sax (Alto), Sax (Tenor).
Frank Foster — Flute, Sax (Alto), Sax (Tenor).
Eric Dixon — Flute, Sax (Tenor).
Charlie Fowlkes — Sax (Baritone).
Sonny Cohn — Trumpet.
Al Aarons — Trumpet.
Don Rader — Trumpet.
Joe Newman — Trumpet.
Flip Ricard — Trombone, Trumpet.
Benny Powell — Trombone.
Henry Coker — Trombone.
Urbie Green — Trombone.
Grover Mitchell — Trombone.
Freddie Green — Guitar.
Buddy Catlett — Bass.
Sonny Payne — Drums.
Norman Granz — Producer.
Quincy Jones — Arranger.