I Wonder Who's Kissing Her Now to Cillian Murphy in 11 Steps
- I Wonder Who's Kissing Her Now was arranged by Gordon Jenkins
- Gordon Jenkins arranged 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 sung by Harry Nilsson
- Harry Nilsson sang I'll Never Leave You
- I'll Never Leave You was produced by Richard Perry
- Richard Perry produced The Moonbeam Song
- The Moonbeam Song is heard in Breakfast on Pluto
- Breakfast on Pluto features an appearance by Cillian Murphy