Beatles Undercover to Isham Jones in 6 Steps
- Beatles Undercover includes a chapter on Harry Nilsson
- Harry Nilsson sang Makin' Whoopee!
- Makin' Whoopee! was first recorded by Eddie Cantor
- Eddie Cantor starred in the 1944 film Show Business
- Show Business actors include It Had to Be You
- It Had to Be You was written by Isham Jones