Chicago to Leonard Lee in 9 Steps
- Chicago was written by Harry Nilsson
- Harry Nilsson wrote It's A Jungle Out There
- It's A Jungle Out There was published by EMI
- EMI published Everything's Got 'Em
- Everything's Got 'Em was published by Blackwood Music
- Blackwood Music published Ambush
- Ambush was produced by Richard Perry
- Richard Perry produced Let The Good Times Roll
- Let The Good Times Roll was written by Leonard Lee