The following selections were found in iTunes for
Ella Fitzgerald And Oscar Peterson "How Long Has This Been Going On":
| Title | Artist | Album | PURCHASE |
| How Long Has This Been Going On? | Ella Fitzgerald & Oscar Peterson | Ella & Oscar |  |
| How Long Has This Been Going On? | Ella Fitzgerald & Oscar Peterson | Ella and Oscar (Original Jazz Classics Remasters) | |
| How Long Has This Been Going On? | Ella Fitzgerald & Oscar Peterson | Ella and Oscar (Original Jazz Classics Remasters) | |
| How Long Has This Been Going On | Ella Fitzgerald & Oscar Peterson | The Best of Ella Fitzgerald | |
| How Long Has This Been Going On | Oscar Peterson & Ella Fitzgerald | Dimensions - A Compendium of the Pablo Years | |
