WB Music Corp. to The Tree in 9 Steps
- WB Music Corp. published Is It the Music
- Is It the Music was published by Black Molasses Music
- Black Molasses Music published Mexico City
- Mexico City was written by Harry Nilsson
- Harry Nilsson sang 1941
- 1941 was covered by The Kojacks
- The Kojacks recorded Nobody Cares about the Railroads Anymore
- Nobody Cares about the Railroads Anymore was published by Unichappell Music
- Unichappell Music published The Tree