His individual clients included Ella Fitzgerald and Count Basie.
This one is "crooners" and it includes Ella Fitzgerald and Mel Tormé - not cover versions, but the real thing.
Performers include the London Contemporary Orchestra and Ella Fitzgerald, among others.
The best included Ella Fitzgerald and Sarah Vaughn, said Billy D. Mitchell, the Apollo's unofficial historian.
Musicians born in this year included Dizzy Gillespie, Ella Fitzgerald and Thelonious Monk.
Other tracks include Duke Ellington, Ella Fitzgerald and Max Roach.
The song was written for the 1942 Abbott & Costello film Ride 'Em Cowboy, which included Ella Fitzgerald as a cast member.
Armatrading's full list included Ella Fitzgerald and Gustav Mahler.
She cites her musical influences to include Ella Fitzgerald, Ann Wilson (Heart) and Steve Perry.
Stars who appeared there included Ella Fitzgerald, Dusty Springfield, Victor Borge and, in 1963, the Beatles.