Guess Who's Coming To Lunch to It Had to Be You in 7 Steps
- Guess Who's Coming To Lunch was written by Harry Nilsson
- Harry Nilsson wrote Little More Rain
- Little More Rain was written by Perry Botkin
- Perry Botkin (the elder) played guitar for Bing Crosby
- Bing Crosby is one of the many artists that recorded Makin' Whoopee!
- Makin' Whoopee! was written by Gus Kahn
- Gus Kahn wrote It Had to Be You