Mexico City to How About You in 14 Steps
- Mexico City was published by Perryvale Music
- Perryvale Music published Up The Revolution
- Up The Revolution was published by Black Molasses Music
- Black Molasses Music published These Are the Brave
- These Are the Brave 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
- It Had to Be You was produced by Derek Taylor
- Derek Taylor produced Over The Rainbow
- Over The Rainbow is heard in You've Got Mail
- You've Got Mail has music by George Fenton
- George Fenton produced How About You