Harry Nilsson to It Had to Be You in 9 Steps
- Harry Nilsson wrote Marchin' Down Broadway
- Marchin' Down Broadway was published by Unichappell Music
- Unichappell Music published Mr. Richland's Favorite Song
- Mr. Richland's Favorite Song was arranged by George Tipton
- George Tipton arranged I'll Never Leave You
- I'll Never Leave You was produced by Richard Perry
- Richard Perry produced My World
- My World is an album by Ray Charles
- Ray Charles is one of many artists that recorded It Had to Be You