The Tree to Irving Berlin in 9 Steps
- The Tree was arranged by George Tipton
- George Tipton arranged Open Your Window
- Open Your Window was recorded by Ella Fitzgerald
- Ella Fitzgerald is one of the many artists that recorded Makin' Whoopee!
- Makin' Whoopee! was produced by Derek Taylor
- Derek Taylor produced It Had to Be You
- It Had to Be You was arranged by Gordon Jenkins
- Gordon Jenkins arranged Always
- Always was written by Irving Berlin