Irving Berlin to Danny Thomas in 7 Steps
- Irving Berlin wrote Always
- Always was produced by Derek Taylor
- Derek Taylor produced I Wonder Who's Kissing Her Now
- I Wonder Who's Kissing Her Now was arranged by Gordon Jenkins
- Gordon Jenkins arranged It Had to Be You
- It Had to Be You was written by Gus Kahn
- Gus Kahn is played in I'll See You in My Dreams by Danny Thomas