The following selections were found in iTunes for
Ella Fitzgerald & Duke Ellington "I Didn't Know About You":

Title	Artist	Album	PURCHASE
I Didn't Know About You	Ella Fitzgerald	Ella Fitzgerald Sings the Duke Ellington Songbook
I Didn't Know About You	Ella Fitzgerald & Joe Pass	Fitzgerald & Pass...Again
I Didn't Know About You	Ella Fitzgerald	The Complete Ella Fitzgerald Song Books (Box Set)
I Didn't Know About You	Ella Fitzgerald	Jazz 'round Midnight Again: Ella Fitzgerald
I Didn't Know About You	Ella Fitzgerald	Ella Fitzgerald & Friends for Lovers
I Didn't Know About You	Ella Fitzgerald	Ella Fitzgerald Jazz Collection, Vol. 7 (Remastered)
I Didn't Know About You	Ella Fitzgerald & The Duke Ellington Orchestra	Compact Jazz: Ella & Duke